Find the decision deadline in this agreement
Read the renewal notice or current account terms. The renewal date answers when the next period starts. A separate notice deadline, if there is one, answers when you must act to avoid that period. Record both using the provider's actual wording rather than assuming a standard number of days.
Work the review back from that deadline
Suppose renewal is September 30 and this agreement says changes must be received by September 20. Put the household review on September 12, allowing time to check the quote and speak with anyone using the service. Put the provider's deadline on the calendar as its own entry. A September 29 reminder would miss the decision.
Keep proof after you act
At the review, ask whether anyone still uses the service and whether the next price has been confirmed. If you have asked to cancel, keep the confirmation and check the account after the expected end date.
Save the confirmation showing what will renew, at what price if known, and which period it covers. If you cancel instead, keep the date the provider says access will end. Check afterward that the outcome matches the confirmation, particularly if another adult still relies on files or services in that account.