What this is: one ordinary business, three steps — the routine it runs today, the build that replaces it, the month the build pays for itself. A pattern, not a case study about one lucky client. If your business looks like this one, the shape transfers.
01 · The routine today
Front desk calls to remind, when it remembers: 12% of slots go unused. At ~€70 per empty slot and ~200 slots/mo, no-shows cost €1,700/mo — the biggest number in this series, and the most common one.
02 · The build
A reminder automation on top of the existing calendar: SMS 48h and 2h before, one-tap confirm, automatic waitlist offer when someone cancels. The €390 bot tier. Delivered as your code, in your repo — reminder wording, timings, and waitlist rules are yours to tune anytime, not a settings page someone else controls.
03 · The crossover month
Halving no-shows pays for the build in the first week of any month. This is the highest-leverage build in the series.