Passion to Profession: From a Card Shop at 13 to Building DT Sportscards with Dave Thimesch

E1044 - Passion to Profession: From a Card Shop at 13 to Building DT Sportscards with Dave Thimesch

Published: August 10, 2026

Duration: 37:47

Dave Thimesch wanted a 1987 Topps Mark McGwire card. That card started an obsession.

At 13, Dave opened a card shop. He returned to the hobby during the Stephen Strasburg rise in 2009, moved from opening products to running group breaks, and built DT Sportscards into a PSA submission business handling thousands of cards.

Dave joins Brett to discuss why ripping products created debt, how rising product costs forced him to change his business, and why transparency matters when collectors trust you with their cards.

They also talk about the systems required to submit 1,200 cards per...