Most SaaS based organisations will go through multiple iterations of pricing during their lifetime. This means, you are looking at customers base on different pricing plans and with different product plans. To make sure that everyone is on a single pricing plan, you might need to migrate your legacy pricing plan customers to newer pricing, this process is usually called ‘grand-fathering’. Needless to say, it is a delicate process. Here are a few pointers on how you can grand-