Updated my RSS Feed tutorial page today: https://thecozy.cat/blog/what-is-an-rss-feed-and-how-do-i-make-one-rss-for-newbies/
It should be a lot more user friendly now to newbies and folks who aren't super tech savvy. I may add to it down the road but this is a good finalized version I think that should be pretty solid to follow for awhile. Hope it helps!