1-day vs 7-day vs multi-touch attribution windows explained. Which model fits your business model, margin, and growth stage.

How to read and act on month-1 to month-12 retention curves. Benchmarks, decay patterns, and intervention triggers for DTC operators.

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

Define non-negotiable weekly reporting metrics, latency standards, and data accuracy requirements for media agencies. Template included.

How to calculate contribution margin after shipping and discounts, and why it should gate your ad spend decisions.