How do you get accurate numbers to determine ROI? 

.: Hi @Malachi GuttWelcome to DFW!!!

I found the key is to go into one of the local Secretary of States offices. 

My vision is to keep it a while (it’s paid off) and use the cashflow to help with my kids college.  

Then you can read a more in-depth book like The Book On Rental Property Investing by Brandon Turner or The Unofficial Guide to Real Estate Investing by Spencer Strauss.You need to get a firm grasp on two things: the ways to make money with real estate, and how to find deals that match your goals.P.S.

Ask how many units they manage and how much experience they have.

We have converted oil boilers  to gas boilers to reduce costs. 

Will they have to be auto programmed to hang up and never call again if so requested? 

Beware of Fraud and Scams in the Lending Industry: A Guide to Protecting YourselfThe lending industry, unfortunately, can be rife with fraud and scams.

As someone who eventually wants to buy, I don't see that making much sense.