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.
14 min read · Published 2026-07-16
Gross Margin Calculator for Ecommerce Sellers: Gross Margin vs Net Margin
Use a gross margin calculator to compare gross margin vs net margin, learn the formulas, and see ecommerce examples before pricing a product.
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13 min read · Published 2026-07-15
EU Import Duty Reform 2026: How the End of the €150 Low-Value Parcel Exemption Changes Seller Profit
Learn how the EU's 2026 low-value parcel duty reform can change landed cost, shipping economics, and profit for cross-border ecommerce sellers shipping to Europe.
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15 min read · Published 2026-07-14
What Is an Amazon Referral Fee? Meaning, Formula, Category Rates & Calculator
Understand Amazon referral fee meaning, formula, category rates, minimum fees, FBA fee differences, Handmade fees, and which calculator to use before pricing.
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17 min read · Published 2026-07-14
Landed Cost Calculator: What It Is, Formula, and Import Cost Examples
Learn what a landed cost calculator is, how to calculate landed cost, which import costs to include, and how landed cost affects ecommerce pricing.
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16 min read · Published 2026-07-13
Exchange Rates and Ecommerce Profit: How Currency Changes Affect Seller Margin
Learn how exchange rates affect ecommerce profit, supplier costs, marketplace payouts, ad spend, and pricing decisions for cross-border sellers.
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14 min read · Published 2026-07-13
Net Profit Margin Calculator: Formula, Examples, and Ecommerce Profit Guide
Use this net profit margin calculator guide to calculate net profit, net margin, and real ecommerce order profit after fees, shipping, ads, and returns.
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13 min read · Published 2026-07-13
Free Landed Cost Calculator Excel Template: Download and Calculate True Import Cost
Download a free landed cost calculator Excel template and learn how to calculate product cost, freight, duty, customs fees, sellable units, and true import margin before placing an order.
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14 min read · Published 2026-07-09
Best Ecommerce Platform for Beginners: Amazon vs Etsy vs Shopify vs TikTok Shop
A beginner-friendly guide to choosing the right cross-border ecommerce platform by product type, traffic source, fees, fulfillment, and profit model.
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15 min read · Published 2026-07-09
Amazon FBA 2026 Fee Policy: Inbound Placement, Low Inventory, and Profit Impact
A practical 2026 Amazon FBA fee guide for sellers who need to model inbound placement costs, low-inventory pressure, fulfillment fee adjustments, and real SKU profit.
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13 min read · Published 2026-07-08
Why New Cross-Border Sellers Lose Money: 3 Profit Traps to Avoid
A practical guide to the hidden profit traps that make new ecommerce sellers lose money even when products appear to sell well.
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