The dashboard worked. Then a real user touched it — and 846 ghost edits, a sign convention nobody warned me about, and a double-counted check later, I learned why shipping v1 is only half the job. Here's how a read-only prototype became a serverless platform with real-time sync, in-app communication, and a documentation-driven workflow.

11 accounts. 1,300 transactions. Duplicate transfers across accounts. Your accountant is waiting for these numbers. And why does everyone love to pay with Venmo??? One custom-built dashboard. Here's how I solved tax season for a small-town contractor.