Seller guides that show the math, not just the motivation
The blog behind 300+ free calculators. We break down Etsy fees, Shopify margins, Poshmark take-home pay, Patreon tiers, Substack pricing, and Amazon FBA math in plain language. Every article links to a live calculator so you can test your own numbers in under 30 seconds.
What you will find here
- Etsy listing, transaction, and offsite ads fees explained with real examples
- How to price for 40% margin after Poshmark, Mercari, Depop, and eBay cuts
- Patreon tier pricing and Substack revenue models that hit monthly income goals
- Calculator tutorials so each tool becomes a decision, not just a number
Platform-focused coverage
Use the blog for practical context, then compare platform-specific fees, pricing, and profit with calculators for Poshmark, Mercari, Depop, Patreon, Substack, Kickstarter, Twitch, and other seller channels.
From the blog
Latest seller guides
Read the current, published guides for clearer pricing decisions, healthier margins, and smarter platform choices.
Amazon FBA Break-Even Calculator: How Many Sales to Cover Costs?
Find how many Amazon FBA units cover product costs and monthly overhead after fees. Use labeled planning assumptions and verify Seller Central.
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Amazon FBA Revenue Calculator: Forecast Monthly Net Revenue After Fees
Forecast monthly Amazon FBA net revenue after fees, fulfillment, storage, returns, and ads. Labeled assumptions; verify current Seller Central terms.
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Amazon FBA vs FBM: Compare True Take-Home Profit Before Choosing Fulfillment
Amazon FBA vs FBM: Compare True Take-Home Profit Before Choosing Fulfillment A seller stares at a product sample on the desk, calculator open, Seller Central...
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Reprice or Retire? Judge Thin-Margin SKUs by True Contribution Profit
Reprice or Retire? Judge Thin-Margin SKUs by True Contribution ProfitYour product listing sells steadily. One unit every week on Etsy or Shopify. Customers l...
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Shopify Revenue Calculator: Turn Gross Sales into True Take-Home Profit (Fees, COGS & Forecast Guide)
Shopify Revenue Calculator: Turn Gross Sales into True Take-Home Profit (Fees, COGS & Forecast Guide) Picture this: Your Shopify dashboard lights up with...
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Etsy Fee Calculator 2026: What Etsy Takes (6.5% + More) & Your Exact Take-Home Profit Guide
Etsy Fee Calculator 2026: What Etsy Takes (6.5% + More) & Your Exact Take-Home Profit Guide Picture this: You've crafted a stunning handmade necklace, pr...
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Amazon Referral Fee Calculator 2026: Category Rates, How Fees Are Calculated & Profit Impact
Amazon Referral Fee Calculator 2026: Category Rates, How Fees Are Calculated & Profit ImpactImagine unboxing a fresh shipment of trending apparel, only t...
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Payhip Pricing Calculator: Price Digital Products for Target Profit After Fees (Free vs Plus vs Pro)
Payhip Pricing Calculator: Price Digital Products for Target Profit After Fees (Free vs Plus vs Pro) Picture this: You've poured weeks into crafting the perf...
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Amazon FBA Profit Calculator: Full Fees, ROI Workflow & Decision Guide for Sourcing and Scaling
Amazon FBA Profit Calculator: Full Fees, ROI Workflow & Decision Guide for Sourcing and Scaling Picture this: a promising private-label product catches y...
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Payhip Fee Calculator: Free vs Plus vs Pro Fees, Processing Costs & What You Keep (2026 Guide)
Payhip Fee Calculator: Free vs Plus vs Pro Fees, Processing Costs & What You Keep (2026 Guide)Picture this: you launch your ebook on Payhip, watch the sa...
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Bella Canvas 3001 Shipping Costs 2026: Printful vs Printify
Checked U.S. standard rates: Printful $4.75 first item, $2.20 extra. Named Printify examples, bundle math, and free-shipping threshold planning.
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Printful vs Printify: Bella Canvas 3001 Profit at $25, $30, $35
Dated Printful Free math at $25, $30, and $35 after product, shipping, and processing. Model Printify with your provider quote, not an average.
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Bella Canvas 3001 Cost: Printful vs Printify in 2026
Bella Canvas 3001 cost in 2026: Printful Free U.S. example lands at $16.44. Compare Printify by provider, then see what to charge. Dated, not a universal price.
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Patreon Fee Calculator 2026: New 10% Rule, Processing Fees & True Take-Home Pay Guide
Patreon Fee Calculator 2026: New 10% Rule, Processing Fees & True Take-Home Pay GuideNavigating Patreon's 2026 Fee Landscape: What Changed in August 2025...
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Shopify Fee Calculator 2026: Plans, Payments, Profits & True Margins Guide
Shopify Fee Calculator 2026: Plans, Payments, Profits & True Margins GuideWhy Your Shopify Profits Hide in the Fee ShadowsImagine closing a banner month:...
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Etsy Fee Calculator 2026: How Much Does Etsy Take? True Profit After Fees, Ads & All Charges
Etsy Fee Calculator 2026: How Much Does Etsy Take? True Profit After Fees, Ads & All ChargesImagine listing that perfect handmade necklace on Etsy, watch...
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9 Financial Mistakes New E-Commerce Sellers Make (And How to Avoid Them for Real Profits)
9 Financial Mistakes New E-Commerce Sellers Make (And How to Avoid Them for Real Profits)Picture this: Your first Etsy listing sells out in hours. Notificati...
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Pricing and Profit Margin Calculators for Online Sellers
Pricing and Profit Margin Calculators for Online Sellers Imagine launching a handmade necklace on Etsy, only to discover after a dozen sales that fees and sh...
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Etsy and Amazon Seller Calculators
Etsy and Amazon Seller Calculators Picture this: You've crafted the perfect handmade necklace or sourced a hot gadget, ready to conquer Etsy or Amazon. But t...
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Best Free Calculator Tools for Online Sellers
Best Free Calculator Tools for Online SellersPicture this: you’ve crafted the perfect digital planner or sourced a hot dropshipping item, listed it on Etsy o...
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The Seller's Pricing Mistake: Why Copying Competitors Can Kill Your Profit
The Seller's Pricing Mistake: Why Copying Competitors Can Kill Your Profit Picture this: You spot a competitor's mug priced at $30. It looks sharp, sales see...
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eBay Final Value Fee 2026: Full Guide, Fee Calculator & Profit After Fees for Smart Sellers
eBay Final Value Fee 2026: Full Guide, Fee Calculator & Profit After Fees for Smart SellersImagine listing that perfect vintage jacket on eBay, watching ...
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Why Your Sales Aren't Profits: The Hidden Math Every Creator Misses
Why Your Sales Aren't Profits: The Hidden Math Every Creator MissesPicture this: Your Etsy shop notification pings with a $40 sale. Cheers erupt in your home...
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TikTok Shop Fees 2026: How Much Does TikTok Take? US Seller Breakdown + Profit Calculator
TikTok Shop Fees 2026: How Much Does TikTok Take? US Seller Breakdown + Profit Calculator Picture this: your Etsy necklace video explodes on TikTok, racking ...
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Mercari vs Depop 2026: Fees Comparison, Take-Home Profits & Best Platform for US Sellers
Mercari vs Depop 2026: Fees Comparison, Take-Home Profits & Best Platform for US SellersPicture this: You snap photos of that vintage Levi's jacket gathe...
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How to Price on Poshmark for Maximum Profit After Fees: The Proven Formula (2026 Guide)
How to Price on Poshmark for Maximum Profit After Fees: The Proven Formula (2026 Guide) Imagine listing that thrifted designer blouse you've spent hours sour...
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Poshmark Seller Fees 2026: How Much Does Poshmark Take? Exact Take-Home Calculator Guide
Poshmark Seller Fees 2026: How Much Does Poshmark Take? Exact Take-Home Calculator Guide Picture this: you spot a barely worn pair of designer sneakers at a ...
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How to Price Whatnot Items for Profit After Fees (2026): US, Canada, Australia, UK & EU
How to Price Whatnot Items for Profit After Fees (2026): US, Canada, Australia, UK & EU The Hidden Costs Behind a Winning Whatnot Bid Picture this: your ...
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Whatnot Seller Fees by Country (2026): US, Canada, Australia, UK & EU Guide
Whatnot Seller Fees by Country (2026): US, Canada, Australia, UK & EU GuideSellers on Whatnot often face a puzzle: commissions vary by category and regio...
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Patreon Fees Calculator: How Much Does Patreon Take? Tier Pricing & True Earnings Guide (Lite vs Pro vs Premium)
Patreon Fees Calculator: How Much Does Patreon Take? Tier Pricing & True Earnings Guide (Lite vs Pro vs Premium) The Hidden Cut: Why Your Patreon Gross I...
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Shopify Revenue Checker: How to Calculate Monthly Revenue Accurately (Gross vs Net)
Shopify Revenue Checker: How to Calculate Monthly Revenue Accurately (Gross vs Net)Picture this: You've nailed your product photos, optimized your listings, ...
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True Take-Home Profit: 8-Step Formula to Calculate Real Earnings on Etsy, Shopify, Amazon & eBay
True Take-Home Profit: 8-Step Formula to Calculate Real Earnings on Etsy, Shopify, Amazon & eBay Picture this: You've just landed a flurry of sales on Et...
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Ad ROAS After Fees: True Break-Even ROI for Etsy Ads, Amazon PPC ACOS/TACOS, eBay & TikTok
Ad ROAS After Fees: True Break-Even ROI for Etsy Ads, Amazon PPC ACOS/TACOS, eBay & TikTok Imagine pouring $1,000 into ads, watching sales spike, only to...
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Master Shipping Strategy: Etsy Profiles, Shopify Calculators, Amazon FBA, Printify & Free Shipping Thresholds
Master Shipping Strategy: Etsy Profiles, Shopify Calculators, Amazon FBA, Printify & Free Shipping ThresholdsWhy Your Shipping Strategy Could Make or Bre...
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Inventory Turnover Mastery: Boost Etsy, Shopify & Amazon FBA Profits vs Print on Demand
Inventory Turnover Mastery: Boost Etsy, Shopify & Amazon FBA Profits vs Print on DemandWhy Your Inventory Turnover Rate Is Silently Bleeding ProfitsPictu...
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Marketplace Fees 2026 Exposed: Real Etsy, Shopify, Amazon FBA, eBay, TikTok Shop & POD Seller Costs
Marketplace Fees 2026 Exposed: Real Etsy, Shopify, Amazon FBA, eBay, TikTok Shop & POD Seller CostsImagine launching that perfect $18 sticker on Etsy, wa...
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Freelance Hourly Rate Guide: Calculate Effective Rates with Billable vs Non-Billable Hours & Overhead
Freelance Hourly Rate Guide: Calculate Effective Rates with Billable vs Non-Billable Hours & Overhead Picture this: You land a dream client, quote a tidy...
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How to Price Digital Products After Fees: Downloads, Courses, Taxes & Reserves
How to Price Digital Products After Fees: Downloads, Courses, Taxes & Reserves Picture this: You launch a beautifully designed planner template at $27, c...
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How to Model Design Bundles Payout Scenarios Before Pricing Your Products
How to Model Design Bundles Payout Scenarios Before Pricing Your Products Picture this: you pour weeks into crafting a stunning graphics bundle for Design Bu...
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Guru Fees Guide: Compare Plans, Calculate Per-Job Costs & Maximize Profits
Guru Fees Guide: Compare Plans, Calculate Per-Job Costs & Maximize ProfitsImagine landing that dream $1,000 gig on Guru.com after weeks of crafting the p...
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PeoplePerHour Fees Explained: Calculate Your Freelancer Take-Home Pay with PPH Fee Calculator
PeoplePerHour Fees Explained: Calculate Your Freelancer Take-Home Pay with PPH Fee CalculatorPicture this: You've just sealed the deal on a $1,000 project fo...
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How to Calculate Creator Sponsorship Rates: CPM, CPE Guide + Free Calculator for YouTube, TikTok & More
How to Calculate Creator Sponsorship Rates: CPM, CPE Guide + Free Calculator for YouTube, TikTok & MorePicture this: Your TikTok video explodes with 100,...
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Bubble Mailers for Online Sellers & Product Photography Light Boxes: Protect Products, Boost Photos, Save Profits
Bubble Mailers for Online Sellers & Product Photography Light Boxes: Protect Products, Boost Photos, Save Profits Picture this: a customer unboxes your h...
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Thermal Label Printer for Sellers: Buyer's Guide to 4x6 Shipping Labels for Etsy & Shopify
Thermal Label Printer for Sellers: Buyer's Guide to 4x6 Shipping Labels for Etsy & Shopify Picture this: it's Friday evening in your home office, and a s...
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Digital Shipping Scale Buyer's Guide for Amazon, Etsy, Shopify Sellers
Digital Shipping Scale Buyer's Guide for Amazon, Etsy, Shopify Sellers Picture this: you pack a bar of handmade lavender soap for an Etsy customer, your scal...
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Beehiiv vs Substack: Pricing, Fees & Monetization Compared (Calculator Guide for Creators)
Beehiiv vs Substack: Pricing, Fees & Monetization Compared (Calculator Guide for Creators) Imagine hitting send on your 10,000th newsletter, watching sub...
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Apliiq Pricing Guide 2024: Cost Calculator, How to Price Products & Maximize Profits
Apliiq Pricing Guide 2024: Cost Calculator, How to Price Products & Maximize Profits Picture this: You've designed a standout hoodie with your custom wov...
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Amazon FBM Fees Explained: Seller Fulfilled Costs, Profit Calculator & When It Beats FBA
Amazon FBM Fees Explained: Seller Fulfilled Costs, Profit Calculator & When It Beats FBAImagine slashing Amazon fees on your slow-moving inventory or ove...
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Walmart Marketplace Fees 2026: Referral Fees, WFS Costs & New Seller Savings Guide
Walmart Marketplace Fees 2026: Referral Fees, WFS Costs & New Seller Savings GuidePicture this: You've sourced the perfect product, optimized your listin...
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Pinterest Shopping Fees, Ads & Profit Guide
See which Pinterest Shopping features are free, separate optional ad spend from commerce fees, and test the costs that shape your product profit.
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Instagram Shop Fees, Checkout & Profit Guide
Understand the current US Instagram Shop website-checkout model, separate platform costs from payment fees, and test a profitable selling price with editable assumptions.
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Temu Seller Fees 2026: Editable Calculator for Commissions, Pricing & Profits
Temu Seller Fees 2026: Editable Calculator for Commissions, Pricing & Profits Imagine launching your first Temu listing, eyes gleaming at the promise of ...
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Faire Wholesale Fees 2026: Marketplace vs Direct Pricing, Fee Calculator & Profit Guide
Faire Wholesale Fees 2026: Marketplace vs Direct Pricing, Fee Calculator & Profit Guide *Information current as of August 5, 2026. Always verify the late...
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Facebook Marketplace Fees 2026: Fee Calculator, Pricing for Profit & Ship vs Local Pickup Guide
Facebook Marketplace Fees 2026: Fee Calculator, Pricing for Profit & Ship vs Local Pickup Guide Picture this: You've sourced a killer deal on a barely-us...
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Etsy Listing Optimization: Master SEO, Shipping Prices & Fees for Smarter Seller Profits
Etsy Listing Optimization: Master SEO, Shipping Prices & Fees for Smarter Seller Profits Picture this: your meticulously crafted earrings sit unseen in E...
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Printify Profit Calculator: How to Calculate True Margins with Base Costs, Shipping & Fees
Printify Profit Calculator: How to Calculate True Margins with Base Costs, Shipping & Fees Picture this: You've designed a killer graphic tee that's flyi...
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Print on Demand Shipping Costs: How to Maximize POD Profit Margins with Printify & Printful
Print on Demand Shipping Costs: How to Maximize POD Profit Margins with Printify & PrintfulThe Hidden Drag on Your POD Profits: Why Shipping Costs Matter...
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Printful Profit Calculator: Master Pricing, Shipping Costs, Margins & Break-Even
Printful Profit Calculator: Master Pricing, Shipping Costs, Margins & Break-EvenPicture this: Your latest print-on-demand design explodes on Etsy. Orders...
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Shopify Profit Margin Guide: Calculator, Formulas & Pricing Strategy for 20-40% Net Margins
Shopify Profit Margin Guide: Calculator, Formulas & Pricing Strategy for 20-40% Net MarginsPicture this: Your Shopify store explodes with orders for that...
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Etsy Ads ROI Guide: ROAS vs ROI, Break-Even Formula & Profit Calculator (2024)
Etsy Ads ROI Guide: ROAS vs ROI, Break-Even Formula & Profit Calculator (2024)Picture this: You pour $100 into Etsy Ads, and the dashboard lights up with...
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Etsy Inventory Turnover: How to Calculate It, Benchmarks & Tips to Avoid Trapped Cash
Etsy Inventory Turnover: How to Calculate It, Benchmarks & Tips to Avoid Trapped CashImagine peering into your Etsy shop's stockroom, only to find shelve...
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Gumroad vs Payhip vs Substack: 2024 Fee Comparison & Profit Guide for Digital Creators
Gumroad vs Payhip vs Substack: 2024 Fee Comparison & Profit Guide for Digital Creators Picture this: you've poured hours into crafting the perfect Notion...
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Printful vs Printify Pricing: Profit, Margin, and True Landed Cost
A reusable Printful vs Printify landed-cost method. Current Bella + Canvas 3001 numbers live in the 2026 cost guide, not in old $12.95 examples.
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Shopify Profit Calculator: Master Fees, Margins & Pricing for Real Store Profits
Shopify Profit Calculator: Master Fees, Margins & Pricing for Real Store ProfitsPicture this. You launch your Shopify store with high hopes. Orders roll ...
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Etsy vs Amazon vs Shopify Fees 2026: Which Platform Maximizes Your Seller Profits? (Full Comparison)
Etsy vs Amazon vs Shopify Fees 2026: Which Platform Maximizes Your Seller Profits? (Full Comparison) Imagine listing your handmade necklace for $30. You envi...
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eBay Fees Calculator & Profit Calculator: Ultimate Seller Fees Explained Guide (2026)
eBay Seller Fee and Profit Calculator Guide — Everything You Need to KnowPicture this: you spot a niche product at a garage sale for pennies, list it on eBay...
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Small Business Cash Flow Guide: Calculators for Projections, Runway, and Essential Finance Tools
Small Business Cash Flow Guide: Calculators for Projections, Runway, and Essential Finance ToolsProfit Looks Good on Paper, But Cash Flow Keeps the Lights On...
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SaaS Metrics Every Founder Should Track (With Free Calculators)
SaaS Metrics Every Founder Should Track (With Free Calculators) Picture this: Your SaaS startup hits 10,000 users. Revenue streams in. Founders pop champagne...
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Amazon FBA Calculator Guide: Decode Seller Fees and Calculate True Profits
Amazon FBA Calculator Guide: Decode Seller Fees and Calculate True ProfitsImagine launching a hot product on Amazon only to watch profits vanish into a black...
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Etsy Fees 2026: Complete Guide to Fees, Profits & Calculators – How Much Does Etsy Take?
The Complete Guide to Etsy Fees and Profit in 2026Picture this: You've poured hours into crafting the perfect handmade candle, snapped stunning photos, and l...
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How to Price Handmade Products for Profit: Complete Guide + Formula
How to Price Handmade Products for Profit: Complete Guide Imagine pouring hours into crafting a perfect handmade candle, only to sell it for $10 and barely c...
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How to Price Print-on-Demand Products for Profit
How to Price Print-on-Demand Products for Profit Imagine launching that killer t-shirt design on Etsy or Shopify, watching orders roll in—only to check your ...
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Printify vs Printful: Which Is Better for Etsy and Shopify Sellers?
Printify vs Printful: Which Wins for Etsy & Shopify? (Cheaper Costs, Quality, Profits & Decision Guide) Quick Verdict: Who Wins? Printify Wins When.....
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Printful Pricing Guide: How to Calculate Your True POD Profit
Printful Pricing Guide: How to Calculate Your True POD Profit Picture this: You've designed a killer graphic tee, listed it on Etsy at $29.99, and sales tric...
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Printify Pricing Guide: How to Price Print-on-Demand Products for Profit (2025)
Printify Pricing Guide: How to Price Print-on-Demand Products for Profit (2025) Picture this: You spot a hot design, upload it to Printify, and see a $9.50 b...
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Shopify vs Etsy: Which Platform Is Better for Your Business?
Shopify vs Etsy: Which Platform Is Better for Your Business? The Real Question: Which Platform Fits Your Business? Picture this: You're staring at a stack of...
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Shopify Fees Explained (2026 Guide)
Shopify Fees Explained (2026 Guide)Why Shopify Fees Matter More Than the Monthly BillImagine launching your Shopify store, eyes locked on that enticing $39 m...
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Shopify Pricing Strategy: How to Price Products for Maximum Profit
Shopify Pricing Strategy: How to Price Products for Maximum Profit Picture this: You've sourced a killer product, built a sleek Shopify store, and traffic is...
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Shopify Profit Margin Explained: How to Calculate Your Real Store Profit
Shopify Profit Margin Explained: How to Calculate Your Real Store Profit Imagine ringing up $10,000 in Shopify revenue this month—high-fives all around. But ...
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Etsy SEO Guide: Optimize Titles, Tags & Listings to Rank #1 & Boost Sales
Etsy SEO Guide: Optimize Titles, Tags & Listings to Rank #1 & Boost SalesImagine pouring your heart into handmade jewelry or digital printables, only...
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Etsy Shipping Strategy: How Free Shipping Over $35 Really Impacts Profits (And Pricing Formulas That Win)
Etsy Shipping Strategy: How Free Shipping Over $35 Really Impacts Profits (And Pricing Formulas That Win) Imagine this: a customer adds three handmade earrin...
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How to Price Etsy Products for Profit: A Complete Seller's Guide (2026)
How to Price Etsy Products for Profit: A Complete Seller's Guide (2026)IntroductionImagine pouring hours into crafting that perfect handmade necklace, only t...
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Etsy Fees Explained: How Much Does Etsy Take From Your Sales? (2026 Guide)
TL;DR: Etsy's Cut in 2026 Etsy seller fees typically total 10-15% of your sale without offsite ads, rising to 20-25% if ads drive the sale. Listing fees add ...
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Stop Losing 15-30% Profits: Free Calculators for Etsy, Shopify, eBay & Amazon Sellers
Stop Losing 15-30% Profits: Free Calculators for Etsy, Shopify, eBay & Amazon Sellers Imagine launching a handmade necklace on Etsy. You price it at $50,...
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How to Calculate Etsy Fees: Step-by-Step Guide (2026 Update) + Free Calculator
How to Calculate Etsy Fees: Step-by-Step Guide (2026 Update) + Free Calculator Picture this: You've poured hours into crafting the perfect handmade candle, p...
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Turn seller questions into a clear plan
Use the guides and calculators together to compare fees, set prices, and test profit scenarios across marketplaces. Each tool explains its assumptions and formula so you can update the numbers when platform terms change.