The Cohort Inversion Equation
Why your blended 3:1 LTV:CAC ratio is hiding cohort-level cash leakage — and the three back-half triggers that stop it.
LTV : CAC≠Cohort
truth
The number the board sees is an average. Averages hide the cohorts quietly draining cash.
- 01 Day-7 Activation Bridge
- 02 Consumption Velocity Sequence
- 03 Silent Churn Deflection
A 3-day class delivered via email. On Day 3, you get access to the 90-Day Retention Engineering Blueprint.
Who it’s forSubscription platform founders and operators who suspect their retention numbers are lying to them.
Three days. Three shifts.
Why blended LTV:CAC metrics obscure where cash actually leaks
The number your board sees is an average. Averages hide the cohorts quietly draining cash.
The three backend retention triggers
The Day-7 Activation Bridge, the Consumption Velocity Sequence, and the Silent Churn Deflection Architecture — what each one is and where it fires.
The 90-Day Retention Engineering Blueprint
The full blueprint plus a 10-point system diagnostic checklist you can run against your own stack.
Includes the BlueprintNew classes are announced in The Perennus Letter. Read the letter →