Writing
Field notes from inside the first 90 days of a subscription product.
Field notes and build logs on subscription product, retention, onboarding, pricing, and activation. Written for Series A–B subscription founders and PMs — Performance Health is the clearest fit — the same surface the engagements work on.
- Retention
- Onboarding
- Pricing
- Activation
- AI workflows
47,065 words before my first prompt
Claude Code rereads its entire instruction file before doing anything I ask. It got that long because I kept teaching it everything I learned, until the file became the thing slowing it down. Cutting it by 85% took two moves.
Read →Archive
- Build Log
The eval gate that caught a bad model swap
Model swaps used to ship as a string edit and a shrug. Now they earn their way in the same way a prompt change does, and the first real candidate failed.
04 · 2026-07 · 9 min - Build Log
I built my AI agents a code review team
Never let a model grade its own work. I gave my AI build pipeline a planner, an engineer, an adversarial reviewer on a different model, a design critic, a brand critic, and a QA agent. Here's what the setup caught, what it missed, and the rule that only exists because it missed.
03 · 2026-07 · 7 min - Build Log
Vibecoding as a PM: what I built, what broke, what I'd do differently
Built an AI prototype for aiEDU almost entirely with AI. The product thinking that held up, the bugs that didn't, and the loop that turned every break into a permanent rule.
02 · 2026-06 · 6 min - Build Log
A daily AI briefing that writes itself overnight
Hours of podcasts and feeds for one usable insight. So I built a scheduled AI task that does the extraction overnight and ships a six-section briefing to my inbox by morning. The build decision that mattered: a written spec, not a clever prompt.
01 · 2026-06 · 4 min - Field Note
Subscription churn is an onboarding problem — the first-90-days fix
Most subscription churn isn't a retention problem. The 20–40% LTV leak founders blame on retention traces back to four onboarding mechanisms baked into the first 90 days — pricing, activation, paywall, and the first invoice.
01 · 2026-05 · 5 min
