Even if you did have mold, it usually doesn't create health problems although it may irritate an existing health problem.

My biggest obstacle is my wife,  she gets irritated when she sees me researching anything that would be considered entrepreneurial.  

This irritates me too, but I had to let it go.You can put language in your rental agreements about guest frequency and behavior.  

Just like when you receive an increase year after year with your insurance, lawn care, phone bill, etc and they tell you it's "just business"... do you say ok and continue to pay it, or do you shop around and switch because you're irritated at them for constantly raising their rates? 

Yeah, yeah, he could have done things better, faster, but I actually thought he did have a valid point about the flu statistics, etc. 

They will always get irritated and look at what else is out there. 

As a manager, I had the same experience - tenants would text, email, call, grab me randomly in the hall... if you expect them to fill out a form, you'll just be irritated all the time.Not sure if that's what you meant. 

You have a right to be irritated with this fee.

So, it was just bad luck in your case the screens weren't up, but then I admit that would irritate me, and I can understand being grossed out by bats and wondering if the carpet was then full of guano, and then the a/c didn't cool down the unit, and then a toilet leaking on my mattress - yeah, I would have been ready to move, too.  

From a pure investment perspective all that matters is IRR. Its