The Green Dot Unlimited Cash Back Bank Account uses its own money to help you save for your future by giving you unlimited cashback. It will give you three percent cashback interest and 3% annual interest, one of the highest in America. It offers features like ASAP direct deposit, no overdraft fees and no penalty fees. All deposits are FDIC-insured. For a limited time, Green Dot will give you a $50 bonus when you sign up.