Reseller fee & profit calculator

Pick the platform, type the sale price and your costs: see the platform fee and what you really keep.

Platform fee-
Your profit-
Profit margin-
Return on cost-

Track every flip, not just one

The Reseller Profit & Inventory Tracker does this math for every item you sell, then shows profit by month and by platform, money tied up in unsold stock and average days to sell. Excel and Google Sheets.

See the tracker

Fees used (US sellers)

Fee rates are US defaults checked in November 2026. Platforms change fees often, and fees differ by country, category and listing date. Not included: sales tax (eBay also charges its fee on tax), eBay's lower $0.30 order fee for orders of $10 or less, category exceptions (e.g. eBay sneakers and handbags), ads and promoted listings, boosts, instant-payout fees and state fees. Facebook local pickup paid in person has no fee. Check your platform's fee page. Not affiliated with or endorsed by any platform named. Not tax or financial advice.