Hi there, KLS4.
I can share some information on how you can properly categorize transactions in QuickBooks Self-Employed.
According to IRS Schedule C, you must select specific categories for each type of transaction. Cleaning supplies, for example, must be categorized as Office expenses, while other client purchases can be temporarily categorized as Other Business Expenses if you're still unsure which category they belong to.
Here's an article you can check for more information: Schedule C and expense categories in QuickBooks Solopreneur and QuickBooks Self-Employed.
I've also added this resource as a future reference: QuickBooks Self-Employed annual tax guide.
Let me know if you have other concerns or have follow-up questions about categorizing transactions. I'll be happy to assist you.