Most of what goes wrong in a service business goes wrong quietly, somewhere between the estimate and the invoice. This is writing about that part: scoping, contracts, utilization, getting paid, and the habits that keep a shop from depending on one person's memory. It comes from twelve years running an agency and the years since spent fixing other people's. Newest first, one list. Filter by tag if you came for one thing.
Fixed fee, hourly, or value priced, your cost is still hours. Why the income statement can't tell you what a project cost, what twelve years of tracking showed me, and four rules that make the data worth keeping.