Walmart offers the Cap Barbell Rubber Hex Dumbbell 150-lb. Set, model no. SDRS-150R, for $175. Choose in-store pickup to dodge the $54.97 shipping fee. That's $5 below our mention from December and the lowest price we've seen. (It's a current low by $40.) It includes 5- to 25-lb. cast iron dumbbells coated in rubber to protect floors and equipment and a 2-tier 20" storage rack.