I would ask for support of the largest source of that income.is most of the income from Wages?

In states like TX landlords are specifically allowed to discriminate based upon source of income like section 8.

Solid dividend plays and solid Real Estate acquisitions, my favorite of this time is AAA Strategy. 

With that being said, what are some some of your favorite icebreakers or questions you would recommend or that could spark your interest as a realestate investor

What do you use for a source to get updated vacancy rates for a specific city or even neighborhood? 

@Joshua Strickland That’s what i’ve heard through many different sources.

Agent, Lenders, Flippers, Contractors, anyone in the business: I'd love to hear the most random way you've ever gotten, and subsequently closed a lead. We've been playing around with some more fun/niche marketing late...

I am going to say to you what I keep telling myself, which is to put a great deal of effort into understanding deal analysis in order to have the ability and creativity to make the numbers work when presenting deals to buyers in order to be a credible source!

What site/stat and source do you use to “track” the mortgage rate  market/climate?  

Meetup.com is one of the best sources out there for this type of thing.