andrebrov

Formula, benchmarks, and how to avoid the most common miscounts when measuring repeat purchase behavior.

How return windows, restocking fees, and fulfillment costs reshape customer lifetime value. Data-backed framework for policy optimization.

Design a statistically valid geo holdout test on Meta. Sample sizing, duration rules, and the mistakes that tank results.

Define retention goals, build an intervention backlog, and execute a 6-week sprint with weekly metrics reviews and rapid testing.

Use learning budgets and guardrails to grow ad spend profitably. Avoid the spend cliff that tanks unit economics.