For your situation, it does sound more like an issue with the shower faucet, in which case, per code, you will need to change to a balancing, "anti scald" valve.

After reading about a few landlords having screening problems, threats,   and recent anti-landlord gotchas and pitfalls that landlords are experiencing (in various states) when advertising for a tenant, I was wondering.....

To the anti-landlord crowd, every positive will fall on deaf ears.

I am not anti-police.

@John Vail - one area of expenses i am finding out is lawn care - as this is a multi family , I think lawn maintenance might fall on you- so things like mowing, fertilizer, anti weed etc should be accounted for.

Meanwhile, your lender will need to know all of this because they have to be "nosy" due to the various laws and regulations (e.g. anti-money laundering, etc.).

The author of the bill, Chiu, frequently introduces extreme ultra-left wing, anti-capitalist, even communist China would be horrified at how extreme they are, bills.

Look at FHA anti-flipping rule.   

There is no guarantee that even further anti-STR regulations are not on the horizon. 

If there is any signs of urine or feces, I'd recommend tearing out the insulation, applying anti-microbial, and replacing the insulation.