Hello there, ChefsC.
I'd be happy to provide the help that you need with QuickBooks Online. Let's get this started.
It depends on what process you want to follow in QuickBooks. You can deposit the sales directly to your bank before spending them. Another option is to use a petty cash account where you can temporarily deposit the sales before spending them. After that, you may now move the remaining funds to your register.
Aside from that, I'd recommend consulting your accountant to help you decide since it will affect your future accounting activities such as reconciliation and closing of books.
Also, I've collected a few articles where you can check out:
If there's anything else I can do to help you deposit your sales funds, please feel free to comment below. Take care always.