Some recent TV Workout auctions on eBay:

Wonder Core Smart As Seen on TV. Machine Workout Fitness Trainer

$60.00
End Date: Tuesday Jan-15-2019 10:42:50 PST
Buy It Now for only: $60.00
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ISO 7X Muscle Body Building Workout Bar Isometric Gym Exercise As Seen On TV NEW
$17.75
End Date: Wednesday Dec-26-2018 11:28:02 PST
Buy It Now for only: $17.75
Buy It Now | Add to watch list