They'll touch up the underside where it wears off from car washes, gravel, etc. Here is a video of them getting ready for a respray - . I believe the logic is that once you go inside the frame and door cavities, don't need to re-apply those areas. It's advertised some places as unlimited and...
Check out WoolWax® Undercoating | affordable auto solutions inc - https://www.affordableautosolutionsinc.com/woolwax_undercoating/ in Maplewood. I had them do my GX a year and a half ago with their Lifetime service. Was about $500 at the time. They go in the frame rails, door panels, etc. and...
I have some in Minneapolis if you ever come this way. 3rd row seats for Lexus LX470 or Toyota Landcruiser . I have a friend that goes to Milwaukee to see family occasionally that might be able to help with transport as well.