Their living conditions are unsanitary and could invite rodents, bugs, or just unhealthy living conditions in general.

Have I crossed over to an unhealthy obsession??? 

By poor condition I mean, unhealthy, dying, rotting, infested, damaged, etc not just ugly or unkempt.

We think you are overweight and unhealthy and will or are stressing the health system.

In a healthy Association, they've taken into account that this will need to be replaced, and have planned for it, essentially charging everyone who has lived there over the last 20 years a nominal amount to be put toward the new roof when it's needed.With an unhealthy Association, they try to keep HOA dues artificially low, and when a repair is needed, they levy a Special Assessment, which puts the financial responsibility on those who live there currently. 

So, agree with @Nathan Gesner about letting the tenant prove there is unhealthy mold issue.Will point out though, that there is probably mold behind the shower tile walls.

Kitchens need exhaust fans too or you get unhealthy air recirculated from cooking,

I quit an unhealthy corporate job last year, and while I’ve been thoroughly enjoying my respite (I’m currently in Colombia teaching yoga at a hotel in the jungle!)

This is very unhealthy so the government is now investing elsewhere now and Punta Cana is pretty much done anyway, as the path of progress pretty much has run its course there.That's not my main problem with Punta Cana though.

I did have to cut down one because a certified arborist confirmed that it was unhealthy and would eventually fall on my house.