Billing Cycle & RenewalCycleMonthly: aligned to first purchase day Annual: 12 months from first purchaseAuto-renewRenewal attempt 24h before period end. Email sent on success / failure.Disable: Dashboard → Billing → Auto-renew → Off.Failure handlingDayAction0Failed → retry next morning 7Read-only mode 14Downgrade to Free 30Remove payment methodPlan change alignmentAnnual → Monthly: at renewal Monthly → Annual: immediate, unused month creditedSee Billing & Subscription.