Dunning management automates failed payment recovery and retry logic to reduce involuntary churn in subscription and recurring billing models.

Cohort analysis groups customers by shared behavior or timeline to measure retention, LTV, and campaign performance. Essential for DTC operators.

Contribution margin definition, formula, and how to calculate it on your P&L. Essential metric for DTC profitability analysis.

Customer health score definition, core components, and how operators use it to predict churn and prioritize retention.

Incrementality testing isolates true campaign impact by comparing treatment and control groups. Learn geo holdout methodology and lift measurement.