Churn Prevention Kit

Keep subscribers with checks you can recompute. Audit a cancel flow against 16 numbered checks and dated cancellation rules for the US (federal and California), the EU and the UK; judge a save offer by who still pays after the discount ends, against a holdout; sort failed payments by decline code into never retry, customer must act, and retry within card-network caps; test churn signals on your own history for lift, coverage and lead time; plan a consent-checked win-back for cancelled