Seller fee guides

Each guide explains one marketplace or pricing idea with worked examples. Fee rates are checked against the published schedules and dated at the top of the page.

• Etsy fees explained

  Listing, transaction and processing fees, Offsite Ads, and what a sale really leaves you.

• eBay seller fees explained

  Final value fee, the per-order fee, taxes, shoes and watches, and Store discounts.

• Amazon seller fees explained

  Referral fees, plans, FBA fulfillment, the 2026 fuel surcharge and refund fees.

• Profit margin vs markup

  The difference, the formulas, and how to price from a target margin after fees.

Run your own numbers in the calculator. Pick Payout after fees to see what you receive, or Full profit to include product cost and shipping.