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Hidden Listings: Finding Flippable Singles on a Platform Built for Everything Else

Hidden Listings: Finding Flippable Singles on a Platform Built for Everything Else

This platform is clearly not a card shop. It’s a sprawling product jungle that has a little bit of cardboard. But that’s the advantage, if you figure out how to explore it.

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Ballcard Genius
Jun 29, 2025
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Ballcard Genius
Hidden Listings: Finding Flippable Singles on a Platform Built for Everything Else
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Affiliate Disclosure: This post contains affiliate links. As an Amazon Associate and being a part of the eBay Partner Network (and other programs), if you follow these links and make a purchase, I’ll receive a commission (at no cost to you). I appreciate your support!

This is not buying or investment advice. I’m simply reporting the data I’m seeing. Please do your own research and make your own decisions. Just because cards have increased in value up to this point, it doesn’t mean they will continue to do so.


You know I’m full of chatter about finding cards off eBay, and for good reason. eBay is a great place to sell thanks to all the buyer eyeballs, but that same visibility makes it tough to score real deals. Can you still find mispriced singles? Sure. But there are usually better spots if you know where to look.

CollX is one of those spots, and if you’ve followed me for a while, you already know how much I love it.

But shoutout to the chat yesterday for resurfacing another platform I’ve mentioned in passing but never really broken down for you all:

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