If you've been curious about the recent sports card boom, but haven't wanted to risk all your money on eBay just yet, this one is a must-listen. This young card expert has been tearing it up since he was in middle school, and is now figuring out ways for people to essentially buy stock portfolios with partial ownership of sports cards and other alternative assets. It's not very often that a podcast guest holds up $4 million worth of memorabilia during an interview! Check him out on IG @action_jack_cardz to learn more.

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