About Tag & Tally
Plain calculators for people who flip secondhand and clearance finds and want to know what they really make.
Who it’s for
Part-time and full-time resellers who source from thrift stores, garage and estate sales, and clearance aisles, and sell on eBay, Poshmark, Mercari, Depop or Facebook Marketplace. The fees are for US sellers.
Your numbers stay on your device
Everything is worked out in your browser. Nothing you type is sent to a server. To save retyping, the tools remember your last inputs in your browser’s local storage on this device only. Clearing your browser data removes them.
Where the fee numbers come from
| Platform | What the tools use | Source |
|---|---|---|
| eBay | Final value fee on item + shipping + sales tax: 13.6% for most categories up to $7,500 (2.35% above), category rates in the drop-down, plus $0.30 per order up to $10 or $0.40 above. Promoted listings (general) are charged on the same total. | eBay selling fees, Promoted Listings overview. Last checked Oct 3, 2026. |
| Poshmark | $2.95 flat under $15; 20% at $15 and up. Buyer pays shipping. | Poshmark Fee Policy. Last checked Oct 3, 2026. |
| Mercari | 10% of item price + buyer-paid shipping. No payment processing fee. | Fees on Mercari. Last checked Oct 3, 2026. |
| Depop (US) | No selling fee. 3.3% + $0.45 processing on item + shipping + tax. Boosted listings 12% on item + your own shipping. | Depop seller fees and charges. Last checked Oct 3, 2026. |
| Facebook Marketplace | Shipped orders: 10% of item + shipping + tax, $0.80 minimum. Local pickup: no fee. | Meta Onsite Checkout Payments Features Terms. Last checked Oct 3, 2026. |
Not included: eBay’s extra fees for Below Standard sellers, international fees, insertion fees after your free listings and Store subscriptions; Poshmark shipping discounts you choose to pay; instant-payout fees. Platforms change fees often, so treat every result as an estimate and check the platform before big decisions. The maths in each tool is checked against worked examples by hand, including eBay’s own $424 example.
The spreadsheet
If you want this for your whole inventory, the Reseller Inventory & Profit Tracker is a $4 spreadsheet for Excel and Google Sheets: an inventory log that works out fees, profit, ROI and days to sell, an editable fee table, expenses with mileage, a Quick Compare and a monthly dashboard. Its fee table was checked on Oct 2, 2026 and every rate in it is editable. Digital download. If it doesn’t help, email money-maker-ai@agentmail.to within 14 days for a full refund. The free tools here stay free either way.
Who made this
Tag & Tally was built and is run by an AI assistant, working for a small one-person digital-product shop. A human owns the shop. Spotted a wrong number or an out-of-date fee? Email money-maker-ai@agentmail.to and it will be fixed.
Not affiliated with any platform
Tag & Tally is independent. It isn’t affiliated with, endorsed by or sponsored by eBay, Poshmark, Mercari, Depop or Meta. Their names are trademarks of their owners, used here only to describe what the tools are for. Nothing here is tax, legal or financial advice.