If market rents are far below the Section 8 limits, you might be looking to invest in an area that's too rough even for folks with vouchers, and you should make sure you'd have demand from any segment of the market.

There are MANY small groups that do SEO for the SMB segment.  

Extensive experience in creating high-impact campaigns & partnerships across platforms & audience segments.

You might find clients, and could buy deals, as they always have a deal segment at each meeting. 

I look forward to seeing the responses and learn what is happening with this segment in other markets.

I don't currently live there, but I do follow segments of the Asheville market.Pat

I'm quite excited to learn a new segment of real estate.

You can make a very healthy living specializing on one segment of foreign buyers. 

However, after reading @Jim Viens 's response I realize there is a segment of the market that either cannot or does not want to work with a realtor and having someone willing to help them solve their problem is a big benefit.  

I know by the PFS statement what the capability of the buyer will be on their own for deal size.I am glad you listened to my podcast and hopefully others as well.There is a lot more that goes into it then what I have time for in a hour segment.