Walmart offers the Bowflex SelectTech 552 Adjustable Dumbbells for $189.18. Order via in-store pickup to drop the price to $179.53. (Amazon charges the same.) That's $10 under our mention from four days ago and the lowest price we've seen. (It's the best today by $79.) It features 15 settings on each dumbbell with an adjustable dial system for weights of 5 to 52.5 lbs.