Undercoating, plus it wouldn't spend much time on the road in winter. I may put a plow on it, but there is little or no salt used on my road.
It's a two day drive just to get out of the rust belt; aside from the hassles of licensing and insuring a vehicle that that far away, the expense of even a minor breakdown halfway is why I would pay to have truck hauled if I go that route. It'll be another year anyways, and I'll crunch the numbers then to see if it's feasible.
I kmow of one guy up the road who bought an F150 this spring on EBay, then flew down to drive it home. Someplace in Massachusetts it caught fire, he said he grabbed his laptop, phone, and Tom-Tom, then watched it burn.
When I was shopping for trucks I found a guy that goes on trips out west to buy heavy duty Ford trucks. He'll spend a couple weeks out west buying salt-free super-duties and come back when he has a hauler full. Then he refurbishes them (he said he replaces all the front-end suspension components on just about every one and then does whatever else they need) and sell them here in MI.
I test drove a couple of them, but a nice 2001 F-250 with ~200k miles on it would be ~$18k and I just had a hard time spending that on a nearly 15 year old truck.
Maybe there's a dealer near you with a similar niche?