Build it from line items, send it, and let the client pay online.
Take a deposit and split the balancePayment schedules for deposits, instalments and a balance due before delivery.
GST and Australian tax invoicesWhat has to be on an ATO-compliant tax invoice, and where those fields live.
When the money actually reaches your bankHow payouts work, why there's a delay, and where to look when something's missing.
Export your numbers for your accountantGet invoices, payments and print sales out as a file your bookkeeper can use.