How to cancel subscription
How do I cancel coverage
Question marked as
If by coverage you mean Apple Care coverage, see here: link-> Cancel or change the payment method for your AppleCare plan - Apple Support
If you mean iCloud Storage see here: link-> Downgrade or cancel your iCloud+ plan - Apple Support
If you are referring to any other subscription form Apple or a third party one that is being paid through your Apple ID see here: link-> If you want to cancel a subscription from Apple - Apple Support