TL;DR: When my Calendly trial expired, I built my own booking page instead: availability from my Google Calendar, Berlin public holidays, license verification through Lemon Squeezy, and confirmation emails with a calendar invite. Claude Code planned and implemented it for at most $11.54 in API costs. It took about two hours of my own time instead of the three to four days I would have needed alone. The price isn't the interesting part. What made it that cheap is, and so is the list of things I would still never build myself.

Vuesion's Business license includes a 60-minute onboarding call.

For that, I used Calendly. I set it up once and forgot about it. That's exactly what I want from a tool like that.

Then the trial expired.

It turned out I had been using a feature that was apparently premium. Nothing in the setup had told me.…