I often have to create multiple invoices for a client (one per project i am working on) but I am receiving a single payment.
What I am doing right now is create one invoice per project + one summary invoice. Then I print each one of them in PDF and I use an external tool to merge them together before sending the file to the client. I use the invoice numbers for grouping like X for the summary invoice, then X.1, X.2, X.3…
For now it is okay, but it is a bit cumbersome and when I am getting paid, I don’t want to mark both the summary and the project invoices as paid because it duplicates the amounts received.
Any idea how I could do this or is this an upcoming feature?