Banks won’t tell you this stuff upfront, but it can cost you big if you ignore it.

Banks love to advertise shiny perks—cash bonuses, low fees, reward points—but hidden in the fine print are terms that can quietly drain your account. Those small details you skip over when opening an account? That’s where the real cost often hides. One minor oversight can turn your “free” checking into an expensive headache.
If you want to actually save money and avoid being nickel-and-dimed, you need to read past the big headlines and start paying attention to the terms most people ignore. The good news is once you know what to look for, you can keep more of your own cash while still getting all the benefits banks offer. These 9 banking must-knows will help you protect your money, avoid unnecessary fees, and make smarter choices every time you open a new account.