Passion to Profession: The Road to Becoming Industry Leaders with Roger and Stan from 4 Sharp Corners

In this episode of Passion to Profession , I sit down with Stan and Roger from 4 Sharp Corners, one of the biggest names in the graded card market. We talk about how childhood friends turned their love of collecting into a full-time business that has submitted over 5 million cards to PSA. They share how they saw the opportunity in professional grading before it took off, the challenges of scaling, and the mindset that has kept them at the top of the game for over 20 years. We also get into: The early days of 4 Sharp Corners and how they built their business Their philosophy on grading, collecting, and staying ahead of the curve The biggest lessons they’ve learned in running a high-volume card business The cards that have blown them away over the years If you’re serious about collecting or thinking about taking the leap into the hobby full-time, this is one you won’t want to miss. A special thank you to eBay for sponsoring Passion to Profession. The biggest and best marketplace to buy your next favorite trading card. Get exclusive content, promote your cards, and connect with other collectors who listen to the pod today by joining the Patreon: Join Stacking Slabs Podcast Patreon [ Distributed on Sunday ] Sign up for the Stacking Slabs Weekly Rip Newsletter using this link Check out Card Ladder the official data partner of Stacking Slabs Follow Stacking Slabs: | Twitter | Instagram | Facebook | Tiktok Follow 4 Sharp Corners: | Instagram | eBay Store | Website ★ Support this podcast on Patreon ★