... You could also sell a desktop app instead of a SaaS app. And then the desktop app connects to linkedrecords server. This model a few advantages: - You can do the purchasing in the app (.e.g traditional license keys) - The user is not affected if your business closes. He still has the desktop app running locally and can use any linkedrecords server.

So it is "just" backing up the encrypted db dump to a remote server? Still works and is perfect