Caleb Bertumen

CardPeek - See what your Pokémon cards sell for using real eBay sales

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CardPeek helps Pokémon card collectors quickly see what their cards are actually worth using real eBay sold listings. Most tools rely on listed prices or averages, which can be misleading. CardPeek shows real recent sales so you can understand true market value, price ranges, and make better decisions when buying, selling, or grading cards.

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Caleb Bertumen
Hey everyone 👋 I built CardPeek because I kept running into the same frustrating problem when trying to value my Pokémon cards. Every tool I used showed “market prices,” but when I actually checked eBay sold listings, the numbers were all over the place. The same card could sell for completely different prices depending on condition, timing, and small details that weren’t obvious at first glance. So I found myself: -scrolling through tons of sold listings -trying to mentally average everything -still not feeling confident in the number It was slow and honestly pretty frustrating. So I built CardPeek to solve that. Instead of guessing or relying on listed prices, it pulls real sold listings and helps you quickly understand where a card is actually landing in the market. It’s especially useful if you’re: -trying to figure out if you overpaid -deciding whether to grade a card -checking if something is worth buying or selling Would love any feedback, especially from collectors here. Also curious what tools you’re currently using and what you feel is missing.
Caleb Bertumen

One thing I realized while building this:

Listed prices are often misleading. What really matters is what people are actually paying.

That shift alone completely changed how I evaluate cards.