I freelanced for years and tried every invoicing tool out there. Sent invoices faster. Added late fees. Wrote polite follow-ups. Nothing really moved the needle.
Then I realized something: the moment I delivered final files, I had nothing. The client had everything they needed. My invoice was just another task on their list, competing with a hundred other priorities.
The issue wasn't how I invoiced. It was when I invoiced - after all my leverage was gone.
The fix: make payment part of the workflow