I’ve sent an invoice through PayPal business and have received the payment. Is there a way to attach the invoice on my quickbooks account so it’s all in one place? Thanks

Hi there, haydnbrownphotog. 

Thank you for reaching to us here in the Community. You can add the Transaction manually into your QuickBooks Self-Employed. I'll guide you how to do it: 

1. Go to the Transactions menu. 
2. Click Add Transaction. 
3. Enter the information needed. 
4. Press Save once done. 

Additional details on how you can enter your transactions by hand in QBSE are in this article: Manually add transactions in QuickBooks Self-Employed.  

Feel free to leave a comment below if you have additional questions. I'll be around to help. Stay safe!