Also, focus on 2 years of job/income stability.Class D Properties:Cashflow vs Appreciation: Typically, all cashflow with little, maybe even negative, relative rent & value appreciationVacancy Est: 20%+ should be used to cover nonpayment, evictions & damages.Tenant Pool: majority will have FICO scores under 560 (almost 30% probability of default), little to no good tradelines, lots of collections & chargeoffs, recent evictions.

It would be best to befriend a local contractor or even help one out on a job to see any differences from your past eight years doing it in another country.

I drop them and use a competent local RE agent, who did a great job.   

It's a part time job now.

This is where people fly in, this is where jobs and internships are, and it's central to the entire Triangle.

I agree with @Jonathan Greene that the question is vague, so my advice will have to be as well.The short answer: MTRs are real estate, so just like all real estate, any place that can long-term-rent cash flow with increasing jobs/population can be a suitable site to purchase. 

The big pros are the strong job market (lots of major employers), good population growth, and still-reasonable entry prices.

Or it is a working class area with a lot of jobs that are likely to be heavily impacted by a recession.To understand these risks, unfortunately, takes experience.  

Your job is to serve your client, not to "make" the deal.

Also, focus on 2 years of job/income stability.Class D Properties:Cashflow vs Appreciation: Typically, all cashflow with little, maybe even negative, relative rent & value appreciationVacancy Est: 20%+ should be used to cover nonpayment, evictions & damages.Tenant Pool: majority will have FICO scores under 560 (almost 30% probability of default), little to no good tradelines, lots of collections & chargeoffs, recent evictions.