How to track a trading card game (TCG) collection

Pokémon, Magic: The Gathering, Yu-Gi-Oh!, One Piece — TCG collections grow fast and across many small purchases. Tracking what you own and what it cost keeps the value clear and makes selling far easier. Here's how to approach it.

What makes TCG tracking different

• Singles vs. sealed: loose singles and sealed product (booster boxes, ETBs) are worth tracking differently.
• Sets and rarities: the same card exists in many printings, and rarity (holo, full-art, 1st edition) drives value.
• Condition: near-mint vs. played matters, and graded slabs sit in their own tier.
• Volume: lots of small orders add up, so manual entry gets tiring quickly.

Let your receipts do the heavy lifting

Most orders arrive in your inbox already. Forward one to a tool like this and it logs the card, price, fees, and date for you. One caveat worth knowing up front: TCG marketplaces vary in how much their emails say — some list the exact card, others only confirm a purchase. We're upfront about what we can read from each platform, and anything the email can't name you can add or fix by hand.

What to record for each card

• Game and set (e.g. Pokémon — Surging Sparks)
• Card name/number and rarity or parallel
• Condition or grade
• Cost basis: price plus a share of shipping and fees
• Whether it's a single or sealed product
• Where it physically lives — which binder, box, or bin

Keep it current without the busywork

Load older purchases from a spreadsheet, forward new orders as they arrive, and add the occasional trade by hand. From there your collection stays close to current on its own, and you can see holdings, cost, and realized profit in one place.