What you can charge is based on a Judges Opinion and not on law, as there isn't any LAW on the books for normal wear and tear type scenarios. 

I'd like to create a list of things to look for that aren't obtrusive and annoying to tenants while focusing on the high frequency issues, and damage beyond expected "wear and tear".Thanks in advance!

I hate to run him off because he has always paid on time, and despite the wear and tear, he's not harming the house per/say.  

5th ward is low grade rental area at the moment Your going to have problems likely with tenant tearing up stuff.

She is desperate for the deposit back, angry and says no damage only wear and tear. 

You may also see older heating and cooling systems, roofs that have a bit of wear and tear and parking lots that need repair.

I'll have to get the addresses from you on those... only ones I have seen that low are tear downs.

Also factor in these homes tend to be fairly old and good degree of wear and tear.

That way, we are not dealing with screen tears and such.

I've heard a few tips on the podcasts on how to make the rentals a bit tougher to stand up against the increased wear and tear they may go through with college students.