They buy "casings" (tires with worn tread but solid frames) to refurbish them.

Insert a penny into the groove; if you can see all of Lincoln's head, the tread is too low.

Inspect the inner liner for plugs or patches that might indicate a previous repair.

Tires over six years old can be dangerous, even if the tread looks new.

Best if you are willing to ship or have high-value performance tires. 💡 Pro-Tips for Used Tire Buyers

Whether you are looking to save money or clear out your garage, buying and selling used tires is a smart move for your wallet and the planet. This guide breaks down the best places to find quality rubber and where to cash in on your old sets. Where to Buy Used Tires

Facebook Marketplace and Craigslist are gold mines for individual sellers.

Websites like Utires.com or United Tires offer inspected, shipped-to-your-door options.