So in essence he can buy a slightly used vehicle, take it Kuaui for the 1 1/2 yrs, and leave without rust affecting his vehicle?

He is looking at a Titan or Xterra if rust will not be a problem, or a Wrangler for a beater while he is there if rust is a concern.

Also, he won't have to do much driving or worry about traffic, he will be living next door to the property.