However, I am seeing more interest in MTR's and have a colleague that does well buying condos and renting out to traveling medical workers and foreign exchange students.  

So Keep your property but don't mid-term unless it is very small house and would appeal to traveling nurses on 3 month gigs.

Examples might include areas in the Midwest, Southeast, or Sunbelt regions.Multifamily Properties: Consider duplexes, triplexes, or small apartment buildings to increase unit count and spread risk across multiple tenants.Short-Term Rentals: If you’re comfortable with the management requirements, STRs in vacation or business travel markets can offer significantly higher cash flow potential than traditional rentals.Value-Add Properties: Look for opportunities to buy undervalued properties where you can force appreciation through renovations or better management.Decision FrameworkRun the Numbers: Compare the projected cash flow, equity growth, and tax implications of selling versus holding with a refinance or HELOC.

My answer would certainly be highly dependent on his own emotional make up, his desire to relax and travel, his willingness to delegate and outsource, etc.

Add thoughtful touches like a Keurig or French press, USB chargers, and local travel guides.

EPA violations typically travel with ownership.   

I am primarily hosting traveling medical personnel because there is a lot of demand for these professionals in our area and because my units are suited to their needs.

Take some money and invest in traveling to places in the U.S. and international markets that interest you.

The frequent travelers that like to do repeat business, cherish those basic things.

There's quite a bit of threads on the same topic weekly - you'll find plenty of markets shared.What will help you figure what market to invest in will be answering a few questions for yourself: are you willing to travel to that market, what is your buy box, are you seeking appreciation or cash flow more, do you have or reasonably can garner an edge in that market (ie - can you build a great team).