Learn the craft

Read the room before you buy.

Grading, rarity, variants, slabs, care — collector know-how, free to read inside the app and right here.

Card grading explained: Gem Mint to Played

Centering, corners, edges, surface — read the condition language behind every price.

Rarity, print run, condition — the five things that set a card's price.

Set symbols, collector numbers, foil patterns — how dealers pin down a variant.

Handle, sleeve, toploader, store, display — five steps to protect your collection.

Holo, reverse holo, refractors, textured foil — what really drives the premium.

Grade, population, demand — how the hammer price is really set.

Weight, light test, print dots, texture — tell a genuine card from a counterfeit.

Upright, dry, cool, sleeved — five habits that keep cards flat and clean.