An alert is useful if it arrives in time and tells you what to check. Choose a small set that fits the account’s purpose.
Look in the bank’s official app or website for available alerts. A low-balance alert can help you review upcoming payments. A transaction alert can help you notice activity you do not recognise. Check which channels the bank offers and keep the contact information up to date.
Test the settings and make a note of what you will do if an alert arrives. Use the official app or known website to verify a message before following instructions in it.
Further reading: CFPB mobile banking tips.