Hi there, Brenda. Let me share some information about handling your expense transactions in QuickBooks Online (QBO).

Combining all expenses into one line item is currently unavailable. You need to add the other expense accounts on the next line to track them accordingly.

Otherwise, you may create a new account for all of your expenses to use a single line item for your transaction.

1. Click on Accounting at the left pane, then tap on Chart of Accounts.
2. Select New.
3. Fill in the account details, then hit on the Save and Close button.

I'm adding this link to learn more about setting up a new account in QBO: Add an account to your chart of accounts in QuickBooks Online.

On the other hand, here's how you can get more hints while handling your expenses and other vendor transactions in the future: Enter expenses, pay bills, write checks, and manage suppliers.

If you have any other follow-up questions while tracking your expenses, let me know by adding a comment below. I'm more than happy to help. Keep safe!