You should avoid any bank service that leads to . . .

Multiple checking accounts
Savings
Debt
Gaining interest

Opening multiple checking accounts can lead to confusion and extra fees, so it is best to stick to one account for simplicity. Savings accounts are generally beneficial for setting money aside for future needs or emergencies, so it is important to have one. Debt should be avoided whenever possible, as it can lead to financial hardship and stress. Gaining interest on savings accounts can actually be a positive thing, as it means your money is growing over time.