I agree on seeing an attorney and doing lots of due diligence on the road, access, water, fire protection, zoning surrounding you, the master plan for the area (city & county) so you have an idea what will be built around you in the future. How is the weather, how about water flow during rain? If snow is an issue there, check the records and speak with neighbors about what they like about the location, they'll probably volunteer the negative stuff. Living in the sticks is often romanticized, but it can be a pain. I lived at the end of a public road in a narrow mountain canyon. Had to drive several miles daily to get mail. No serious market in the canyon so had to drive 35 miles round trip to a real supermarket. Some community activities in the canyon, but almost all centered around the kids. Had sewer service, but was on propane--VERY expensive due to poor insulation. If it gets cold, will the insulation in the manufactured home keep the heat in? Is it 2x4 construction or 2x3? What insulation is there? What R value? Can you add insulation? How do you go about getting some repairs done to the road, ask the neighbors.
The Realtor is not really your friend. When we moved to the Desert, we saw an attorney who gave us a whole lot of negatives to check out, and our first winter here was the worst in 20 years for rain and snow, so we got to see the damage water does in the desert. I think we spent $150 for the consultation, but he covered how to do due diligence, where to check what, and even the fact that sometimes the wind blows at near hurricane velocities for days at a time--were we able to accept that?
With all that, the house we'd intended to buy wasn't finished, and there were tax problems for the guy we considered custom building with. We rented for 6 months in the area and took our sweet time finding what I consider to be a great home in a very good neighborhood. We sold high and bought pretty low, so financing the small balance was a no brainer.
This is pretty much our pine box house (That's how I'll travel in the next move, in a pine box. So taking time to really get a high value place was well worth it.
The more I do, the less I accomplish.