Anyone having problems with there invoices ?

Welcome to the Community page, @geo3tranter.

We'd really want to give you the help that you need. Can you also tell us more details about your concern? We might have an available Help article or give you steps that can help you resolve your concern.

In the meantime, you can click this article to see additional information on how invoices work in QuickBooks Self Employed: Create invoices in QuickBooks Self-Employed.

Please refer to this article to view various information on how QBSE is designed to help you record your self-employed income and expenses, track mileage, and prepare your Schedule C: QuickBooks Self-Employed Overview. 

Stay in touch if there's anything else I can help you with today. Just mention my name and I'm glad to help. Stay safe!