@Mike Grudzien @Tim Delaney do you guys think it'd be worth joining a credit union in the city I used to live just to get the rate even if I'm out of state now, will they still give a better rate? 

Use gap funding (credit lines, partners) for the down payment.

The metrics I'm primarily focused on are: rent appreciation rate, property appreciation rate, economic growth rate, unemployment rate on the macro level.

@Jeff G. not aware of that, but sure it's available for a price from Fair Isaac Co or one of the credit repositories.

What is the interest rate on borrowing compared to the rate you are earning, then take into consideration the tax consequences. 

Credit Score: 

I have them process credit card payments.

I've heard Trump most signed an executive order to eliminate reduced rates for section 8.

My question would be is a 6 cap the going rate in the area for that building.

You get a Capitalization Rate (CAP Rate), which equals your annualized return by dividing the Net Operating Income (you had gross in your narrative) by the purchase price.