Another fun use case is when a customer is charged for their invoice via credit card and then 60 days later, you get a chargeback from the bank. Now you have to

Another fun use case is when a customer is charged for their invoice via credit card and then 60 days later, you get a chargeback from the bank. Now you have to unwind the previous invoices and entitlement systems to figure out if you should fight the chargeback, cancel the subscription or some other non-standard process.