The unit that has the dirty filter might have a broken supply air joint or broken ductwork causing the inside to go negative pressure. 

Barely nothing about the alcoholism, but sometimes they act genuine.

If there is no message with the request and little info on the profile, you could decline the connection.If you accept a request and are genuinely interested in networking, make a point of checking in with the connection regularly. 

You could either raise that through a private investor, joint venture partner, or syndicate to deal with multiple investors.

I would ensure that both families are okay with it if it's a joint yard.

What got her on my side was having her listen to some episodes of the Bigger Pockets podcasts with me where there are husband and wife teams of investors, having us do a joint budget together (prior I was 100% monitoring an maintaining the family budget)and just talking about the "why" it is so important for me to get out of the rat race. 

Most of my rentals and the ones in our joint portfolio with my business partner are in Martinsburg WV.

Traffic is genuinely becoming an issue (I came from LA).

We are joint venturing 8-50 units.

Craig, yes,  the decision is to only take on active partners who will take a role and hole duties, so it will by a Joint Venture and not a syndication.