Thanks for trying all the steps to resolve your billable expenses concerns, @bookkeeper bb. 

I know you've read everything in this thread as you've mentioned. It might have been that the billable expenses feature is turned off in your account. Let's double check and ensure to turn it on so you can start using it. Here's how:

Here's how:

1. Check the Gear icon, then go to the Account and Settings tab.
2. Select Expenses.
3. Select the pencil icon under Bills and expenses.
4. Mark the box to Track billable expenses and items as income.
5. Save and hit Done.

For your reference, check out this article to learn more about recording billable expenses in QuickBooks Online Plus and Advanced.

Feel easy to post more of your concerns. We're always here to assist you once again.