This is absolutely untrue, I get cash of all denominations for my business at the bank all the time, including $2 bills. They usually have to pop into the vault

This is absolutely untrue, I get cash of all denominations for my business at the bank all the time, including $2 bills. They usually have to pop into the vault to get some since there's not a lot of call for them, but they're by no means impossible or cost extra to get.