Card Flip Profit Calculator
A card that sells for more than you paid is not automatically a profit. Fees, shipping, and supplies all take a cut. This card flip profit calculator shows your real net profit and ROI after eBay fees so you know whether a flip actually made money.
Flip Profit Calculator
Enter your numbers to see net profit after every cost.
How to Use It
- Enter what you paid for the card and what it sold (or would sell) for.
- Pick the platform, or choose custom and type the fee percentage.
- Add shipping and supplies costs.
- Read your net profit and ROI. A positive ROI after every cost is a real winner.
Compare selling venues and their fees in where to sell hockey cards.
Frequently Asked Questions
How do I calculate profit on a card sale?
Start with the sale price, subtract the platform fee (about 13% on eBay), shipping, supplies, and what you paid for the card. What remains is your net profit. This calculator does it instantly and shows your ROI.
What are eBay fees on card sales?
Final value fees run roughly 13% plus a small fixed fee for most sellers as of 2026, charged on the total including shipping. Always check current rates, since they change.
Should I include shipping and supplies?
Yes. Shipping, a bubble mailer, a toploader, and a penny sleeve all eat into profit. Leaving them out makes a losing flip look like a winner.