Develop that criteria and stick with it, never deviate, and defining this will keep you out of trouble in more ways than a risky tenant. 

Typically, any "trouble" tenants, I would simply not renew with a lot of warning.  

Too many headaches for cash flow on paper (which is actually negative in reality) : stolen AC unit (thieves climbed a 7 ft fence), attempted break in (alarm scared intruder away), repair issues, winter weather (make sure someone turns up the heat on a vacant property).

I also require 2 past landlord references which I call and make sure these are easy going trouble free tenants before signing.

Thank you for asking this question and thank you to those that responded, as I have been on this same fence recently. 

It will cost him a lot to move, plus the time and trouble, and he'll end up paying much more for the new place.I recommend you show him a few examples from Zillow so he understands the market and what your property is worth.

I also read that travel nurses have trouble finding a suitable living situation when contracting for travel nurse assignments.

My backyard doesn't have a fence.

Billing the tenant directly to save yourself some work and trouble in fact creates its own problems with me not knowing what's going on.

I am trying to leverage my home's equity to access investment funds but I've run into a road block. I have tier 1 credit and according to the bank there's roughly $140,000 in equity in my home, but my debt to income r...