20 Last-Minute Under-$10 Prime Day Deals That Are Bound to Sell Out

Fit Simplify Resistance Loop Exercise Bands with Instruction Guide and Carry Bag ($9, originally $21)

This set features five mini latex bands, each offering a different level of resistance, from X-Light (up to four pounds) to X-Heavy (30 pounds). With over 90,000 five-star ratings, these bands are an Amazon bestseller for good reason. The set is a convenient and compact way to step up your strength and can fit in the included bag.