Metric
Cancellations within 30 days
Share of new subscribers who cancel within 30 days. A revenue-quality guardrail that catches conversions bought with pressure; it can't be judged before it matures.
Plain label: early cancels after starting to payAlso known as: early churn, 30-day cancel rate, buyer's remorse
Guardrail maturity. A 30-day guardrail can't be "inside its margin" on day 21: decide ship-provisional with a holdback until it matures. For urgency-driven offers, also read cancels within 24 hours to 7 days, the early rebound signal.
Sources
Book content is paraphrased, never quoted at length. Last verified October 24, 2026.
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