As soon as I close on it (next week), I'll list it on Zillow as well.I spoke to a lot of unqualified candidates, but I also spoke to some good ones, and I'd like for them to fill out an application.

Essentially he wanted to live in his own place but didn't have the money and I figured buying a house with him at the time was a good investment.

The one Brandon Turner wrote about doubling your portfolio every year is also good but I cant remember the name off the top of my head. 

This is a good thing.

Multifamily real estate has traditionally been a stable asset class, and the Washington D.C. metro has traditionally been a stable market area, making the two together a good safe bet, especially for anyone with a long-term view of their investing strategy.

Make sure that you're properly vetting your team members especially your agent that you work with - your investor agent should be looking out for your best interest and should be able to explain why something is a good/bad deal.

Quote from @Stuart Udis: Good luck, wholesalers are the least likely to follow do not call list/related legislation.

If you decide to get an attorney involved, Earnie Garcia could be a good option to help you with this. 

I would introduce yourself to the parents (really all of the neighbors, it is a good thing).The parents will help keep the kid on the straight and narrow plus it helps show that you are a responsible STR owner working within the community.

Good luck.