For SaaS it's easy, you just treat the payment as a success. If it ends up failing, you treat it as a chargeback. For selling goods that you hand over (e.g. ir

For SaaS it's easy, you just treat the payment as a success. If it ends up failing, you treat it as a chargeback. For selling goods that you hand over (e.g. irrevocable product keys) it's much trickier and depends on the specific business whether it makes sense to have the customer wait.