Cards have been found with the wrong games back, a foil layer on the back instead of the front, or with foreign objects like tape or even insects pressed into the card during manufacturing
Dedicated scanners such as TCGplayer, Dragon Shield, DittoDex, Eyevo, and Collectr can be better when you need built-in collection tracking, deck tools, or marketplace-specific pricing
Favor games from known studios with consistent volatility disclosures
Scott in the Star Trek movie with the whales, So, is that worth something to ye, laddie? Would you pay 4 for Mana Drain
This is one that creeps up on you, not registering as a threat to most players until its too late
2 Mufasa - Ruler Of Pride Rock 150/204, Sapphire Relying on cards that cost eight ink can be tricky in Disney Lorcana , as there's a chance they'll never have much of a chance to enter play