Tools / Make the numbers clearer

Know your costs.
Build from there.

Simple tools for card reselling and the financial side of collecting. Start with a free calculation, then find a system for the bigger picture.

Try the free calculator

01 / Free, no signup required

Card Flip Profit Calculator.

Estimate what a sale leaves after purchase costs, selling fees, postage, grading, and other expenses. Adjust the assumptions to match your sale.

BRENT ENGLAND / FREE TOOL

Card Flip Profit Calculator

Know your numbers before you buy. Estimate what you actually keep after selling fees, grading, shipping, and supplies.

01

What will the card sell for?

$
$
$
Used for eBay's fee calculation, but excluded from your revenue because the marketplace generally remits it.
02

What did it cost you?

$
$
$
$
$
$
03

Estimated marketplace fees

%
Default for US non-Store trading cards; editable.
%
Enter 0 if no general-strategy ad fee applies.
$
$
Used to estimate the maximum price to pay.

Important: Illustrative estimates, not an eBay quote, accounting statement, or tax advice. Default fee is based on US non-Store sports and collectible trading-card categories. Rates, high-value tiers, store discounts, international fees, refunds, taxes on fees, and order-specific charges can differ. Check your actual fees in Seller Hub. eBay selling fees ↗ · Ad-fee details ↗

BRENT ENGLAND · EARN. LEARN. LIVE.

02 / Keep a record

From a single flip to a clearer picture.

Excel download / $19

Card Reseller Inventory & Profit Tracker

Bring inventory, purchases, sales, fees, and business expenses together. See profit alongside cash movement, and keep the details behind each result.

Eight tabs, with space for 200 inventory entries, 300 sales, and 150 expenses. Includes a setup guide, worked examples, and data checks.

Explore the tracker →

Excel download / $9

TCG Season Profit Tracker

Track Pokémon TCG tournament costs, prizes, and eBay card sales across a season. Keep realized cash separate from estimated prize value.

Five tabs, editable season dates, 200 event rows, and 400 inventory entries.

View the season tracker →

Manual-entry Excel workbooks. Microsoft Excel is required and is not included. Independent tools, not affiliated with Pokémon or eBay.

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