The tests they do involve making contact as different people of different backgrounds to determine if they are treated differently from one another.

Your lender doesn't care where you sleep ; ) You are technically supposed to use your home as your primary residence for a defined amount of time according to the terms of your loan.

I always transfer the last months rent to the new lease, they technically are not in their last month, unless they are moving out. 

Technically some of the properties will be in other Fulton County cities like College Park or East Point but putting Atlanta will still work for mapping the properties, which is the next step.Once I have the spreadsheet with full addresses I go to www.batchgeo.com and paste three columns (address, city, state) from the excel sheet (including headers) into the box on the BatchGeo home page.

My question isn't technical but more of a general soft skills thing.  

I believe Zillow will even take applications and screen/background check applicants for me.

According to the Culture Index, I'm a "Technical Expert" personality type.

It's not your policy so you can't make changes to the prior owner's policy for a property they no longer technically own.

What's your preferred method for Background/Credit checks and Applications?

Background check:  I always perform a background check.