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

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

Refund rate benchmarks by category, diagnostic framework to separate product from ops issues, and levers to optimize without destroying trust.

Step-by-step guide to align Meta ad spend reporting with Shopify revenue. Covers attribution windows, UTM logic, and reconciliation workflows.

Involuntary churn costs DTC brands 20-40% of total churn. Execute this 4-week operational plan to recover failed payments and retain revenue.