She has undiagnosed bipolar as well as depression, anxiety, and ptsd which is why I'm having difficulty getting these answers from her. 

Having anxiety/stress should be a basic pre-qualification for investors! 

.  :-)People's anxiety is directly correlated to the first derivative of ... anything. 

Due to mental illness, [FIRST NAME] has certain limitations regarding [SOCIAL INTERACTION/COPING WITH STRESS/ANXIETY, ETC].

Before we die on a hill that causes us anxiety, pain, indigestion and a potential turnover, keep things in perspective.  

I've seen "ESA' that are mean as hell, cant be handled by anyone...sometimes the owner can barely control them..... they can have anxiety issues of their owner...fear aggression issues..... other health issues.....you name it......and as long as the owner can get some bogus letter stating they are ESA, there is very little you can do.In essence ALL pets are ESA...... having them and your relationship with them is an emotional connection that makes most owner feel good.... that's why we have pets and enjoy having them.

Get something with a 12 mil wearlayer WITH A SCRATCH RESISTANT FINISH like Aluminum Oxide.

Ozone (O3, made from O2) smells like a copy machine in a closet and will corrode (oxidate) any organic molecule by attaching the spare oxigen to it.

And being 600 mi away from the property may give you quite a bit of anxiety! 

Due to mental illness, [FIRST NAME] has certain limitations regarding [SOCIAL INTERACTION/COPING WITH STRESS/ANXIETY, ETC].