$15 monthly service fee No debit card or paper checks Black-owned bank in Chicago Waive $15 monthly service fee by maintaining a $2,500 balance Interest compounded monthly, paid monthly FDIC insured The GN Bank Money Market Account is probably the institution's weakest product. You'll need $2,500 to open the account, and you have to maintain a $2,500 balance to waive the $15 monthly service fee. Unlike money market accounts at some banks, it doesn't come with paper checks or a debit card to give you easy access to your money. How GN Bank works GN Bank is a Black-owned bank with two branches in Chicago. It has 25,000 free ATMs around the US.