Blog | CardSZN

How to Use eBay to Source Undervalued Cards (Not Just Sell Them)

eBay Is Not Just an Exit—It’s a Deal Machine You already know eBay is the world’s biggest buyer pool for cards. What...

Why Break a Box When You Can Flip Singles? First off, if you’re asking whether cracking open sealed boxes in 2025 is...

Let’s talk about rookie cards—the sacred cows of the hobby. They’re the first thing new collectors chase. They’re the...

If you're getting into sports cards right now, you're catching the hobby in a weird—but exciting—transition. Panini’s...

by CardSZN | Aug 8, 2025 | Rare Cards

You open a pack, hit a shiny card with “17/99” stamped in gold foil, and immediately wonder: Is this worth something,...

by CardSZN | Aug 7, 2025 | Investing

Let’s be real: a 10-cent card in mint condition is worth more than a $10 card with a crushed corner. Card condition...

You don’t need a Luka RPA or a Giannis logoman to flip cards in 2025. In fact, if that’s your plan and your bankroll...

by CardSZN | Aug 4, 2025 | Pokemon

Let’s talk about the wild world of Pokémon promo cards—those oddballs you didn’t pull from a booster pack but somehow...