LIBRARY

Investment notes

Original notes on SaaS cohorts, growth quality, commercial diligence, unit economics, and memo review.

012026-07-18

Investment memo · Review

Finding breaks in an investment memo

Reviewing the continuity between thesis, evidence, model, risk, and transaction terms.

022026-07-03

Unit economics · Financial analysis

A review of customer acquisition cost, contribution margin, payback, and their links to financial records.

032026-06-19

Commercial diligence · Management interviews

A working record that connects management interviews, customer evidence, data requests, and unresolved issues.

042026-06-02

Financial analysis · Growth quality

A bridge from opening revenue to closing revenue, with margin, sales cost, and cash conversion alongside it.

052026-05-14

SaaS · Commercial diligence

A practical review of cohort start dates, customer definitions, expansion, contraction, and churn.