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.
5 min read · Published 2026-07-06
Gross Margin vs Net Margin for Ecommerce Sellers
Understand the difference between gross margin and net profit margin before judging a product.
Read guide
5 min read · Published 2026-07-06
Shipping Cost per Order Calculation
Calculate shipping cost per order with postage, packaging, handling, insurance, and free-shipping recovery.
Read guide
5 min read · Published 2026-07-06
Break Even Price for Online Products
Find the selling price where an ecommerce product stops losing money after costs and fees.
Read guide