I was instantly hooked on it and have now purchased an 84 unit mid-year last year, and just closed on another 124 unit property at the end of January. 

I am planning on using FB contacts to bring cash buyers say in Houston my deal, the problem is that I think cash buyers will just instantly ask for the address of the property so they can do their own comping and I will run the risk of people going around me, if i shop the deal around many buyers?

There are multiple options available for screening packages; tenant involvement/no tenant involvement, instant reports, hand-compiled reports, and even income verification.You can find further information by going to Tenant Screening under the Tools tab.Best of luck to you!

Additionally, I'm curious what the community thinks in terms of leverage, if I am taking over 3 units with instant cash flow, and there are no immediate renovations needed, is there a concern that I would not have my typical 3 month of living expenses on hand?

If your IP changes often but it's always in the same "location" and multiple IP's aren't logged in at the same time, you're fine.Every IP can be "located" instantly. 

Secondly, take that to the next level and become proficient at valuing investment properties i.e. value, cash flow, roi, etc. etc. and that should give a 'niche' --- there are many many agents and I'll even say that 99% of agents don't really even know how to do this.. thus if you are able to become proficient at it would definitely add instant credibility to you because you'll come across as someone that actually know what you are talking about.

You also need to consider are you buying below market so there is an instant equity gain.

At that precise instant, a judgment against one former spouse alone attached to the property. 

With absolute addressing, I can change the inflation rate I want to use for my future projections and have the change ripple throughout the spreadsheet instantly.

We are trying to decide whether to take what equity we have instantly, to rehab and flip as fast as possible, or to fix minimally and rent it out as rent in the city is at a premium.