I just do this as a hobby, but my experience with the Mckees 37 line has been very positive. Bob McKee has been in this game a long time. I bieve Mckees 37 used to be Detailers Pro.
It's actually very easy. Since your paint is in good shape, use a fine clay. Keep the surface lubed, inspect & fold your clay often, & throw it away and use a new piece if you drop it...
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Correction work doesn't need to be done, but the final results will likely be better. It really depends on what your goals are for your jeep. Typically you'll want to wash & dry first, then clay...
A friend of mine repainted the hood of his Toyota truck. He did it himself in his garage. It turned out pretty good. Definately better than before it was painted, but not as nice as a body shop...
I haven't used Simoniz in a looong time. If I recall correctly, it's carnuba wax. There are easier products to work with, but Simoniz will just require a little extra work, especially if applying...
It's a 2014 and in pretty good shape but wanted to clean it up and get some UV protection on it.
Quick rinse with pressure washer
Hit it (in sections) with the foam cannon
Brushed with RV wash...