Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Can’t decide between kettlebells and dumbbells while working out? You don’t have to thanks to this Walmart discount, which offers an incredible 74% off a four-in-one dumbbell set. Right now at Walmart, you can earn $191 in savings on the MaxKare Adjustable Dumbbell Set , as the $260 list price has dropped down to $69 for the holid...