Here's how you can find good deals on hard-to-find exercise equipment The Rebound Detroit is about helping you navigate these unprecedented times. and last updated 2021-02-08 18:33:35-05 (WXYZ) â The Rebound Detroit is about helping you navigate these unprecedented times. In tonightâs edition: out of stock, marked up, and delayed, just a few of the complaints weâve heard about the quest to buy gym equipment. So where does the shortage now stand and where should you focus your search if youâre looking for the most in-demand equipment. Putting your body to work with dumbbells and barbells is no easy feat, but it turns out -- even buying them is a heavy lift.