This is the follow-up to What I Actually Learned Building a Side Project in 5 Days With AI . That post was about AI. This one is about what happens after you ship — when you actually have to run the thing. I lost a freelance client last year because I forgot to send a monthly report. Not because I didn't do the work. I did the work. I just never wrote it down in a place I'd actually look. The report lived in my head — or, more honestly, in one of forty-seven Notion pages I'd lovingly over-engineered and then abandoned. I didn't have a tooling problem. I had a systems problem. It took me six months and one lost retainer to admit the difference. The over-engineered years For a while I was that freelancer. The one with the Notion workspace that looks like a SaaS product. Databases inside databases. Linked views. Templates for templates. I'd spend Sunday evening building a new system. By Wednesday I'd forget where things lived.…