His step brother is transporting his mother back to the US because although she has a living will, it is not valid in Italy. 

Medical Center (jobs and growth) and Hobby airport (cheap available transportation).

Closer to points of interest like tourist attractions, transportation, jobs all typically increases the rents.5.

Home buyers are looking for suburban locales with low taxes, affordable housing, job opportunities, and auto-oriented transportation.

 Transport can be prohibitive, I'm not sure if you would find a mover that will do this long of a move and be aware, when moving homes from one area there can be issues with climate ... ex ( wind zone ratings in hurricane prone areas, snow load for the roof ) .  

There are also effective ways at making them resistant to excessive heat.Since they are originally built for transport, they can be easily moved when they need to be.They can withstand practically any extreme weather, such as hurricanes, tornadoes and earthquakes.

They offer lots of price points to fit any budget and you get to choose your level of involvement with transportation and assembly.

You should reach out to Kokosing Construction or ODOT- Ohio Department of Transportation.

Each area should be evuated to determine its population and employment growth, future business plans, and the overall demand that fits your plan/goals,  it’s proximity to major employers, it’s school district reputation, and any public transportation that has a nearby stop.  

Do they transport too?