A certificate of deposit (CD) generally earns more interest than a traditional savings account, but there’s a catch: You generally can’t touch your money (without paying a penalty) until the CD matures. Like some savings accounts, CDs often have minimum opening deposit/minimum balance requirements. That means to open an account, you need to fund it with a certain amount of cash up front. Often, this amount can be $1,000 or more. If you don’t have enough money to meet the minimum, these accounts — and thei ...