Walmart offers the NordicTrack Select-a-Weight 55-lb. Adjustable Dumbbell Set for $216 with free shipping. That's $64 off, and the best deal we could find, although we saw it for $37 less in our Cyber Monday mention. Buy Now Tips Amazon charges the same price Features they're adjustable from 10-lb. to 55-lb
Retailers mark up products by hundreds of times their cost — but you don't have to pay the premium.