I'd try to treat them with respect when it comes to ending of lease/rent increase, make your offer, see how they react.

The issue with RUBS is how will your tenants react, will one complain saying they are saving water and the other tenant does not?

And we do not want to disrupt any body.  

It's like, you wash my feet and I'll wash your entire body type of vibe.

Body is getting banged up.

My school was planning rapid growth in the next six years so much so there was a question of where would the student body live in my mind.

Trends over the last decade can provide some insight as to how properties and businesses in that area react to different economic situations. 3.

@Ryan MooreWe have used similar conditions in purchase offers where we have suspected the Vendor of being less than forthright and housing warm bodies simply to be able to advertise the property as being fully occupied.  

Let them react for overnight.

So, my guess the good math (IRR) with consideration of  different risks and reacting to actual changes in the economy and interest rates would determine my future actions.