Those small rewards don’t really work. At the mall, I will rent a kid’s cart (often shaped like a car) for $9. You get a dollar back if you return it. However,

Those small rewards don’t really work. At the mall, I will rent a kid’s cart (often shaped like a car) for $9. You get a dollar back if you return it. However, instead of returning it, I usually find a family with small kids coming into the mall and ask if they want the cart.