Having the seller carry a second is not a problem for the first, as long as their business with you is finished and the loan has closed.

I live in Phoenix and my business partner and I put on a couple local forums for investors like yourself to network.

It's a business - acquiring/building, managing, and growing a business. 

(Not as part of my consulting business, just as an opportunity for me to learn and perhaps build a relationship?)

I have found enough business and made enough money not to need to expand outside of this market.Section 8 is a whole different ball game but I find the program is unique in that it's a 3-party relationship adding the variable of a government agency.

It's just the cost of doing business.  

Quote from @Matthew Cook: Dig into those comps with a realtor doing business in that market.

Due to the nature of the shorter lease terms, I am spending an excessive amount of time updating my Excel spreadsheet, MLS, business website, Airbnb, VRBO, and other platforms.

I'm the sole manager of the business and the properties.

A personal liability policy "MAY" extend to one or two rentals but if you are planning on building a portfolio consider the commercial umbrella.Another thing to consider is that the courts frown on carry high personal liability but low business liability when trying to hide behind the vail.