Fit Simplify Resistance Bands | $6 | Amazon
Working out at home is free and (in theory) easy. If you feel weird not having any equipment in your house, you can start out small with a set of resistance bands. They might be tiny, but they can be very effective when working out different muscle groups. Plus, you can easily pack them in a bag and work out from anywhere using them. You can get Fit Simplify Resistance Bands for $6 on Amazon. The set includes five bands, varying in resistance from extra light (four pounds) to extra heavy (30 pounds).