Well said @Michael Bowman.Agree with you @David Glass.

Even when I was a resident manager, if I socialized in any way with a tenant - become a walking buddy, go have a glass of wine, etc., they always, without fail, wanted some special favor and I'd have to say no.  

I never enter any job site or work location without wearing safety boots, safety glasses etc.

They broke my glass dining room table and threatened to sue me?

You are changing the thickness of the glass.  

I closed on about October 21 at 10 am, had my dumpster guy there at 2 pm, and got the ridiculously tall grass mowed, and most of the junk cleaned out by 11pm.  

So, I had electric and wood heat.Not sure if you can still burn wood where you are, but you could put in a simple hearth and a wood heater with a glass front, so it would double as a fireplace.  

I would be very likely to have it done if there was no currently broken glass in the windows (signifying "possibly" that your tenant does not value the property enough to be careful). 

I replaced the window with glass block and converted the bathtub to a shower. 

Great idea, I'll take two glasses please.