andrebrov

Why spreadsheets fail at scale, what a data warehouse solves, and how to evaluate warehouse architecture for DTC.

Build churn-reason-specific offer ladders that recover high-value customers without creating expectation of discounts.

Systematic checklist to isolate pixel failures, creative fatigue, audience drift, seasonality, and finance issues when ROAS declines.

How excessive promotions erode cohort lifetime value and what discount thresholds preserve unit economics.

Churn rates, repeat-purchase windows, and retention thresholds for DTC electronics brands. Formulas, cohort benchmarks, and decision rules.