Know your numbers

A plan for your next sale.

Start with the costs. See what your weekly target really takes.

Run the numbers

The variable fee starts at our 10% seller commission. Increase it to include your payment processing rate, and enter any fixed processing fee. Other defaults are examples; actual postage, refunds, authentication and taxes can change your result.

Average sale price ($)Card acquisition cost ($)Shipping + packaging cost ($)Total variable fees (%)Fixed fee per sale ($)Weekly profit target ($)

Estimated profit per sale

$22.50

Sales needed each week

To reach $250.00 in estimated weekly profit.

Before taxes, returns, disputes, advertising, and other business expenses. This is a planning calculation, not an earnings forecast.

Know the inventory

Use cards you own, document their condition, and record what you paid.

Protect your margin

Include packaging, postage, payment costs, and room for returns in your pricing.

Build repeat demand

A deployed website still needs buyers. Share clear inventory and offer a reliable collecting experience.