2 resources from Z-Connect by Zerodha we point people to, and the questions each answers.
📄 Article
✓ Link checkedIndiaFreeBeginner
Why we picked it
The whole mental model in one short post: not measuring acquisition cost and lifetime value is the point, not an oversight, and he spells out what it buys him.
Why we picked it
Education is the distribution channel, and this is written by the person who built it, with the actual scale: certification cohorts, colleges, and a curriculum reaching government schools.