Instead of just addressing the symptom (hair in the drain), see if you can create the structure to drive your tenants towards the behavior you desire. 

There could also be an issue with the auto defrost system and the water dispenser may be the first symptom.

Having said that, your average buyer is terrified of cracked slabs and foundations....Home Inspectors highlight them as horrible, so you may have problems selling unless you completely fix the problem....not just patch the crack (symptom) but really fix the underlying problem.

Should he have taken your full blood profile, noticed an increase in some pre-diabetes parameter and brought up his concern about your weight?

You obviously want to address the source of the issue and not just the mold which is only a symptom of an underlying problem.

The floor settlement may just be a symptom of bigger issues.Have you measured the pier bases?

Temporarily displaced - these are the people that get stories in Fox and CNN about how they were doing great, but just happened to get a couple of bad turns and now are being tossed out on the street.By and large, the only reasonable class that can overcome homelessness as the problem, rather than a symptom of the problem, is the last class.

Diabetes?

@Mohammad Khan what you should be more worried about is not the symptom of foundation issues but the root case.

Wanted to make sure this was not something out of the ordinary that was a symptom of a larger problem.