I just waxoyled my Range Rover. It actually enjoyed doing it. I bought the whole kit from Rovers North for about $500. The 120-4 is easy to apply, but the hardwax is messy.
I would probably have taken it somewhere if there was anywhere to take it like there is on the east coast. I got it done for cheaper and with the guns and wands, I think I was able to do a professional-type job with it.
Plus, there is leftover for touch-ups and re-applications.
The key was preperation. My truck was really clean to begin with, but you need to pressure wash, degrease. You also need to fix any rust holes at that time. I only had one small one on the inner fender and I patched it with POR15 Powermesh.