Byline: Chase Bank Chase has helped more than two million customers save on overdraft service fees through new enhancements to checking accounts that give them more flexibility when they are just a little short on any given day, the bank announced today. Earlier this year, Chase made several new enhancements to checking accounts: Expanding the overdraft cushion to $50.Customers pay no overdraft service fees when their account is overdrawn by $50 or lessat the end of the business day.Overdraft service fees only begin with the transactions that overdraw the account by more than $50 at the end of the business