Hi egarske,
There's no need to issue a credit memo to the invoice. Let me provide further explanation.
For any expenses incur, you can create an expense transaction and use the Wash/Clearing account in the Category column from there. Doing this help reduces the balance of the Wash account.
Then, create a bank transfer for the remaining balance from Wash account to your business bank account.
To create a Wash/Clearing account, please follow these steps:
I'm linking an article for more information about transferring funds between accounts.
These steps will also apply to QuickBooks Desktop.
That'll do it. Leave a comment below if you have any questions. I'll do everything I can to answer them.