Since I’ve self managed and had my realtor screen tenants and used background checking software like smartmoves.com, those issues have been greatly reduced.

Background: just purchased a 15-unit (SRO type units with all utilities included in rent) apartment building in Central Florida.Current HVAC is comprised of window air conditioners and wall gas heaters.  

You dominate that niche and are the master of that craft.

For "professionals" that are roommates (all named on one agreement), usually all will have good income and background, but if one is weaker, with the standard "joint and several" clause, the better qualified individual will want to maintain their credit rating and resolve any shortages if an issue arises.

She has a good high paying job and everything else looks good.I also called to employer and past landlord and also bought Rentprep(background check company) package where they call to verify employment and past landlord as well.But problem is she just lived at one apartment complex for 7-8 years and when I called them 2 times and left message, I am not getting any callback.

Only do month to month lease and make sure all the major ground rules are included. perform background/credit checks and make them pay. just don't accept anyone, meet a few times to get a feel for their personality. after all your sharing a roof with them.

I am seeking advice of website companies that provide a lead generating platform with analytics in the background. 

(I also used it for a credit report and background check when I first rented the house.) 

Lending companies, many out there, including the one Im at will be pulling skip traces and background reports on your prior properties that have been linked to your name in the past and if you were doing FNMA loans on these in the past these properties will be 99.99% linked to your social sec #.The only advantage of switching properties that were investment use to begin with on fnma loans to commercial loans is that you get to free up your 10 slots per social security # (10 for each partners if married and title and loans were done separately on each spouses Social).If you're converting from a primary to a rental you get to use rental income to offest the affect of having the entire mortgage hit your qualification and in this limited sense you can say yeah you improved your DTI.

@Michael Landgraf Welcome to BP, and that's great having your dad with that background, major help!