Why cant i save expenses as business?

Let's add your business expenses in QuickBooks Self-Employed (QBSE), @heinsrussell85-g.

Can you share to us the error that you've received when trying to save this business expense? That'll help us resolve the error you're having. 

To add a business expense in QBSE, you must set a schedule c expense category. Check the following steps:

1. Go to the Transactions menu and click on the Add transaction button.
2. Provide all the necessary information like the date, transaction description, amount, type, category, notes, and receipt.
3. Click on Save.

Or categorize this transaction right away if the bank is connected to your QBSE account from your Transactions page. Check the screenshot below: 

Here's more information on how to manually add transactions in QuickBooks Self-Employed. Also, the following article will guide you on how to categorize transactions in QuickBooks Self-Employed.

If you mean something else, or if you have additional questions with your transactions, let me know. I'm always here to assist. Keep safe.