You do not HAVE to use WordPress at all. However, many people want to be able to sell that site at some point and it would be easier with WP.
You can build an Authority Site in YIVESites as well.
Thank you so much, I enjoyed watching and learning! Super beginner status but you have made it very easy to follow. Simple concepts like this will continue to elude me for a while. I’m sure Will be back with more questions!