Free seller tool
Whatnot profit calculator
Fees are only the first cut. Add cost of goods and postage you absorb to see whether the lot still pays.
One lot, real leftover
See profit after fees and COGS, not only the hammer.
Same fee layers
Commission and processing match the public fee calculator.
Refunds hurt
Model a return before you chase a noisy lot.
Then the CSV
WhatCopilot reads the same story across every imported live.
Estimated profit
- Profit
- $38.80
- Net after fees
- $88.80
- Fees
- $11.20
- COGS
- $50.00
How we got there
- Commission
- $8.00
- Payment processing
- $3.20
- Absorbed postage
- $0.00
Illustrative estimate. Refunds and category exceptions can move the real ledger.
How to read the number
Use this before you open a lot. After the show, the Seller Weekly CSV is the ledger.
- 1
Start from the hammer
Enter the price you expect, not the start price.
- 2
Add COGS
Without cost of goods you only have net, not profit.
- 3
Count postage you eat
Free shipping is a cost. Put it here.
- 4
Check the CSV later
Import the Seller Weekly Orders Report in WhatCopilot to see the same math show by show.
Profit calculator FAQ
One sale at a time. Show P&L lives on the break-even planner.
The fee calculator estimates commission and processing. This page answers a different seller job with those fees already applied.
See profit on your real lives
Import the Seller Weekly Orders Report to get estimated margin show by show, once COGS is filled.
Keep exploring
WhatCopilot is an independent third-party tool, not affiliated with Whatnot. This calculator is illustrative. Verify rates on the Whatnot seller fees page.