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Any reason to keep around my account with my old, 'big' bank?
From my experience, payments from banks and other financial entities, such as loyalty programs, generally aren't as large as payments that go the other direction from consumer to bank. Thus, keeping a bank account open simply for some reward/loyalty points may just be changing your behavior for the wrong reasons. The more important scenario is whether or not you have any automated ACH payments or whether your bank account is linked to other services. Perhaps the biggest tell that you're in the clear is when those transactions start occurring from your credit union account.  For example: If you had a direct deposit to your BMO bank account, make sure you see deposits start to appear in the credit union account. If you're making automatic withdraws to an online savings or brokerage account, make sure those transfers are stopped and that you instead see them coming out of your new credit union account. You shouldn't need to move the auto loan, but you will need to make sure you can pay it from the new account.  Some financial advisors, such as in this BankRate article titled, Lenders can tap bank account for mortgage, even recommend keeping liabilities and assets at different locations. If for whatever reason your financial situation turned bleak, it would be more difficult for the bank to help itself to what's in your checking account. To avoid getting nickel and dimed to death by "payment processing fees", I tend to pay insurance bills yearly or semi-annually. Thus, consider if there is anything that may be coming due in the next 6 months. If so, you might want to get your new account hooked up while you still have all the routing numbers and account numbers in your head. It's a pain to dig this stuff up while also rushing to not be late. If all that is in order, close the account.