This will go too really unique/niche listings like treehouses in a national forest. 

You can try also finding local real estate groups on Facebook or try posting on some of the national ones focused on travelling nurses 

That time is gone now nationally for multifamily.

That rate is going to be a "national average"...not the rate that all lenders will offer. 

MLS is a service of the National Association of Realtors, so only Realtors can list.  

Specifically, the areas near Wake Forest Medical School and Wake Forest Baptist Medical Center have attracted investors, as students are seeking rentals during residency.Favorable Tax Laws:  North Carolina boasts relatively low tax rates compared to many other states, with property taxes averaging at 0.70%, which is below the national average.

There are only a certain number of homes that can be built new the beaches or Eastern Shore waterfront communities.

Foreign nationals can expect an interest rate that's 1-1.5% higher than U.S. citizens so your wife being an American does provide you with an advantage.

As one of the biggest home buyers nation wide, word has it that New Western has 4 dispo reps for every 1 acq rep.  

That might be the national average for rent price increases but I don't know if that's a realistic expectation in Memphis.