(policing may be ok if they are actively cleaning up the property but it may be detrimental if restrictions are enacted that are unrealistic).  2) what is the financial health/condition of the HOA.  

I haven't bought any condos and AC is a totally different market despite only being 10 minutes away - but the one thing I would make sure to check is the health of the condo association's finances. 

@Misael Herrera Granados  A lot of health care workers are safety conscious when traveling.

The health worker segment of MTR has existed for a long time but demand fluctuates and they aren't looking for the same locations in some areas as STR.   

Allegheny County handles all the plumbing inspections through the Health Department, and those guys don't play around.2.

Would they sue us if they or their kid develop any health issues that they can tie to the potential mold?

You mentioned health care, but what do you plan on doing for your health care coverage without your W2 job?

The ACA was supposed to lower rates this everyone would be forced to purchase health insurance.

But they basically need to prove that granting the special exception will lead to a "substantial threat" to the health and safety of the community.

In this publication they state "If you don't meet the eligibility test, you may still qualify for partial exclusion if you moved because of work, health, or an unforeseeable event.The publication then goes on to say Important factors for determining if an event is unforeseeable are:1) The situation causing the sale arose during the time you owned the home, and used the home as your residence. 2) You sold you home not long after the situation arose.3)You could not have reasonably anticipated the situation when you bought the home. 4) You began to experience significant financial difficulty maintaining the home.5) The home became significantly less suitable as a main home for you and your family for a specific reason.