Banks offer a service called “overdraft protection” which allows the bank to approve transactions you cannot afford and charge you a fee for doing so.
For example, imagine you have $10 in your account and try to make a $15 purchase:
- With overdraft protection turned on, your transaction goes through.
- Your balance falls to -$5, and the bank adds a $35 overdraft fee.
- Your new balance is now -$40.
Without overdraft protection, the transaction would simply be declined. You would not receive the item, but you would also avoid the fee.
By law, banks cannot charge overdraft fees on one-time debit card purchases unless you agree to them first. You can usually turn this feature off in your banking app under “overdraft settings.”
Even with overdraft protection turned off, checks or automatic payments may still trigger non-sufficient funds (NSF) fees if there is not enough money in your account.
It’s always a good idea to link your checking and savings accounts and set up alerts to get notified when your balance drops below a certain amount.