We're glad you've posted here in the Community space, @holbrookhomecare. Let's work together to properly categorize your credit card processing fees in QuickBooks Online (QBO).
If you've added a credit card processing fee by creating a service item and adding it to your invoices, you can change the account you'd use to track these fees by following the steps below.
Here's how:
- On the left navigational bar, go to Sales.
- Choose Product & Service.
- Choose the Service item you've created and hit the Edit option.
- Click the dropdown arrow under the Income account.
- Select the account you want.
- Once done, click Save and Close.
Please see the screenshot below for visual reference:

Moreover, if you're referring to something else, please let us know. Any additional information will help us get on the same page and provide accurate solutions.
Furthermore, check out these resources to learn how to see and analyze sales transactions in QBO. It will help you in managing your finances and plan for the future.
Properly categorizing fees helps your financial statements show the income and expenses of your business, @holbrookhomecare. Please post here again if you need further assistance managing these transactions in QBO. We're just one post away!