All the listed questions are important to ask before opening an account at a national bank, community bank, or credit union. Here they are:
A. What type of fees are there with this account?
B. Is there a fee for using an ATM? If so, how much?
C. Is there a minimum balance requirement with this account?
D. Do you offer online banking or mobile banking?
These questions can help you understand the costs, features, and accessibility of the account you are considering. It's advisable to ask all of them to make an informed decision.