TMZ may collect a share of sales or other compensation from links on this page. Gym memberships are expensive and personal trainers can be pricey … but Prime Day is here to make your workouts a whole lot more affordable. Major deals are in full swing and there's never been a better time to build out your own fitness setup at home. From dumbbells to walking pads and ellipticals, these discounts just made it easier to stay active all season long … without paying full price. Want more great finds?