Seller guides
Practical ecommerce margin guides for sellers.
Use these guides with the calculators to understand fee categories, formulas, and pricing mistakes before you launch or scale a product.
Amazon fee guides
Referral fee, FBA fee, Handmade fee, and Amazon margin decisions.
Free spreadsheet templates
Download Excel-ready CSV templates before you price or order inventory.
Landed cost and import pricing
Estimate import duty, freight, sellable units, and true unit cost.
18 min read · Published 2026-07-08
TikTok Shop Fees 2026: Seller Fees, Commission, Shipping, and Profit Guide
Understand TikTok Shop fees in 2026, including seller fees, platform commission, creator affiliate commission, shipping subsidies, discounts, returns, and real profit.
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12 min read · Published 2026-07-07
Ecommerce Pricing Strategy and Profit Calculation Tutorial
Learn how to set product prices from cost, fees, target margin, and market positioning instead of guessing from competitors.
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11 min read · Published 2026-07-07
Cross-Border Seller Cost Mistakes to Avoid
A practical checklist of hidden costs that can hurt cross-border ecommerce margins before sellers notice them.
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12 min read · Published 2026-07-07
Product Research Cost Estimation Method for Ecommerce Sellers
Estimate product cost, landed cost, fees, shipping, ads, and break-even price before choosing a product to sell.
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12 min read · Published 2026-07-06
Amazon FBA Fees Explained for Profit Planning
Learn the main Amazon FBA fee categories sellers should estimate before listing a product.
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11 min read · Published 2026-07-06
Etsy Fees for Handmade and Digital Product Sellers
A practical guide to the Etsy fee lines that affect product pricing and seller margin.
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13 min read · Published 2026-07-06
Shopify Profit Calculator: True Profit Formula, Fees, CAC, and Examples
Use a Shopify profit calculator framework to estimate true order profit after product cost, payment fees, shipping, advertising, discounts, apps, and CAC.
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5 min read · Published 2026-07-06
TikTok Shop Seller Fees and Margin Planning
A seller-focused guide to TikTok Shop fees, discounts, shipping costs, and creator-driven margin pressure.
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6 min read · Published 2026-07-06
Amazon FBA Profit Margin Example for a New SKU
Walk through an Amazon FBA margin example with selling price, referral fee, FBA fee, ads, and returns.
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15 min read · Published 2026-07-06
Amazon Referral Fee by Category 2026: Rates Table, Calculator & Examples
Compare Amazon referral fee rates by category, see planning bands for 8%, 15%, 17%, Handmade's 15% or $0.30 minimum, and use the calculator before pricing.
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