If the homes listed on that website or other sites do not have current or correct data it will not estimate correctly. 

Come to these events to network with experienced investors, learn from special guests, and broaden your horizons.Make Use of Social Media: Participate in the real estate community on sites such as Instagram, Twitter, and LinkedIn.

Right now, I am most interested in buying a house in Tennessee and working with a property management company to run it as a STR on a site like AIR BnB.

Additionally, does anyone have strategies or advice on how to confirm that the reported rent is actually being collected as stated?

You may want to consult with a real estate professional or an attorney to get additional information.

Additionally, expanding your search beyond Fairfax to nearby areas with more affordable options could enhance your chances of finding better cash flow potential.

Addition to that, i will let them do the Knob and tube issue.

This will open up more favorable loan terms and the ability to potentially add additional contingent funds or "developer" fees into the loan which can give you some additional drawable funds to navigate any learning curves you experience during the build.

Another good example of government sanctioned theft, in addition to why people in CA are moving to Texas. 

Additionally, Milwaukee's rental market is robust, with a median rent of approximately $1,200 per month.