Services should not be sold as a one time deal. If it is a product as a service such that the product can be distributed to the user directly, then it seems fin

Services should not be sold as a one time deal. If it is a product as a service such that the product can be distributed to the user directly, then it seems fine. For example, I run https://pinggy.io https://pinggy.io , and I can't think of any way to sell it in a life time deal.