Invoices in a cash basis business

QB does not work well with journal entries, do not use them unless absolutly necessary.

Yes, when you issue an invoice, that means the customer will pay later - that is an A/R event. Creating the invoice in QB will take care of that for you.

A vendor invoice to you his customer, is your bill. Use enter bills that creates a payable, then use pay bills to pay it.

@Bicoastal 

When you enter an invoice, QB creates a journal entry as follows:

-Any amount due on the invoice is a debit to A/R.

-Any positive amounts entered on the invoice are credits to the account or account/category assigned to the items on the invoice.

-Any negative amounts entered on the invoice are debits to the account or account/category assigned to the items on the invoice.

The difference between cash and accrual is when you run reports.  When you run cash basis reports, QB ignores the journal entry created by the invoice until you receive payment on it.  When you receive payment, QB books both the invoice and the payment and A/R nets to zero.  QB is not able to differentiate cash vs. accrual for manually-entered journal entries and it will include them on both cash and accrual reports. 

When you enter a bill, QB creates a journal entry as follows:

-Any amount due on the bill is a credit to A/P.

-Any positive amounts entered on the bill are debits to the account or account/category assigned to the items on the invoice.

-Any negative amounts entered on the bill are credits to the account or account/category assigned to the items on the invoice.

When you run cash basis reports, QB ignores the journal entry created by the bill until you pay it.  When you pay it, QB books both the bill and the payment and A/P nets to zero.