Deals expire for many reasons, usually because the price increased or the product sold out. In some cases, the deal may still be available.
Brad's Deals Editor Jacob,
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This Walking Pad Treadmill falls from $299.99 to $154.99 at Woot. Shipping is free with an Amazon Prime account. Otherwise, it adds $6. You'd pay at least $180 elsewhere. It has a max speed of 3.8 mph and can handle up to 320 pounds.