"I marked an item as personal that is suppose to be business how do I fix it!"

Hi there, @micahfidler.

I'll be happy to lend a hand on how to change the type form from Personal Expense to Business Expense in QuickBooks Self-Employed. Let me guide you with the steps:

1. Click Transactions in the left menu.
2. Locate the transaction you'd want to change the type. 
3. From the ACTION column, hit the drop-down arrow to expand the transaction line. 
4. Pick the Personal link, then choose Business.
5. Once done, select Save. 

To know more about editing transactions in QuickBooks Self-Employed, please check this article: Categorize and edit transactions in QuickBooks Self-Employed.

Additionally, you can refer to this article for guidance in organizing your transactions: Categories in QuickBooks Self-Employed.

If you need tips in the future, visit our QuickBooks Help Articles site. 

I'm just a post away if you should have any questions about business transactions in QuickBooks Self-Employed. Take good care.