The 90-Day Retention Engineering Blueprint.
The exact behavioural systems that shift a drop-off curve — and a 10-point diagnostic checklist you can run against your own stack.
Inside
- Inbox security deployment — the deliverability floor nothing else works without
- Event-driven cohort activation — routing on what users do, not on elapsed days
- Second-purchase velocity compression — shortening the gap between the first and the second
- A 10-point system diagnostic checklist
How to get it
The Blueprint arrives on day three of the Cohort Inversion Equation — a free 3-day class by email. Start the class and it’s yours.
Free. Three emails. Unsubscribe anytime.Prefer to see the class first? The Cohort Inversion Equation →