Airbnb is similar to having a large Apt complex, there will always be a few bad apples, given enough time you will come across them.

You are comparing apples to oranges in this situation.  

As correct as this statement is, I'll take it a step further and say that you could make bigger money on either side of a non-collateralized loan...such as one with 15% simple interest (IO Pmts only). 

I specifically had them include the foundation, site-prep and utilities costs to make sure it was an apples to apples comparison and I was surprised by how low the estimate for cost per sqft was. 

Make sure to compare apples to apples (ie. similar square footage / rooms / etc.)Zillow rental properties in your area and look at the history.

If this goes beyond 1-2 months, they all have told me they will at the minimum go IO.

There is a lot of PM software out there that integrates vacancy listing and makes it possible to post out a vacancy on dozens of site, and to accept online applications to vet people, and those systems provide for required data protection where e-mail does not.Systems, I can not stress the importance of systems and automation of as many process's as effectively possible, a benefit of which is there is zero emotions or feelings involved then as Jon Doe could very well be his real name, remember there is some poor kid out there with the name of Apple...... 

Any landlord is quick and happy to get rid of a bad apple, but are conflicted with telling you how bad they are if they are still on his property. 

They're looking for something affordable, safe, preferably with decent schools and a commute they are willing to make to get those things.Not sure if the Google or Apple buses go to Brentwood.  

If you're comparing apples to apples then maybe not.