Or, in other words, how Unstoppable Domains does its work? Why should we pay for its service instead of creating and registering a NFT Domain by ourselves?
Here's the source code if you are interested learning how it works and cloning/copying to create your own
https://github.com/unstoppabledomainsNobody is stopping you to do that and compete with unstoppable domains but do you have the skills and other resources? Anyway, best of luck.