Hi botelhofin,
Welcome back to the Community! QuickBooks is designed to help you save time so you can do the things that you enjoy the most. I'll be glad to steer you in the right direction.
Reconciling an account is the best way to balance your accounts in QuickBooks. That said, I recommend getting in touch with an accounting professional for expert advice on how to proceed when your bank balance does not match what you see in QuickBooks. You can get in touch with a professional using this link here. Otherwise, I recommend you to check out these helpful resources with more info about reconciling in QuickBooks:
Let m know if this helps. I'll be here if you have any other questions.