I don't know, I think with some people old habits are hard if not impossible to break.

James,See what your lease says regarding the unit not being habitable.  12 hours lack of water is probably a stretch but you can use it as a learning experience for the Tenant. 

If, however, they have numerous convictions over just recent past years, it is highly likely they have other Bad Habits to look for.

Also (as Chris mentioned) you can check the noise rating of the different materials.Also, the IRC calls for a minimum ceiling height of 7'6", except in non-habitable basements.

But governments have a habit of finding ways to squeeze every penny out of you they can get.  

Hi AdamIf you haven´t already done so, I´d get into the habit of listening to BiggerPockets podcasts - nice way to pass the time and you´ll have to be in your car a lot getting to know all these neighborhoods!

The letter can include 50 pages of disclaimers but there are plenty of CPA's that lost a lot of money and their license by providing quasi-assurance with insufficient basis for doing so even with disclaimers of liability.I know you don't care how many CPA's you harm, but you are dead wrong in criticizing a CPA for being smart enough to deny your ridiculous request. 

Perfectly habitable apartments to code are vacant because their management, reviewers, and inspectors can't get on the same page. 

If they get too needy - make them submit complaints via written notice so that they do not get into the habit of expecting you to drop everything your doing to tend to them on  a moments notice.

-Do it every day for 21 days, it will become a habit.