The idea behind allowing for an ADU in part is to alleviate the rising cost of housing and or to offset the expense of health care for aging population. 

I will receive a take home car from from my employer so my transportation costs to and from work are somewhat alleviated.

My usual recommendation at this point in the market is to begin to separate cash and debt to alleviate mortgage risk in a slow down. 

I know its not advantageous to the growth of your business but it will help alleviate the need pay a bunch of fees upon selling.

Just because someone is disabled doesn't alleviate their responsibility to care for the property.Send him written notice that he is causing damage and you will no longer repair out of pocket.

If so, an effective long term strategy for buy and hold investors that alleviates the risk of having to pay for major renovations on a distressed property is working up an owner financing deal.

So to alleviate that, I was sure to purchase a property in a location that would always be in high to moderate demand.

Once I would get to the point where I had 20% equity in the property, I could then refinance conventional thereby reducing my expenses by alleviating the required mortgage insurance that is worked in to that $1500/month price.

I hope that we were able to persuade you some how and help alleviate some of this headache.

That said, if you're ever considering giving Philly a serious look, there are plenty of people living in Philly (including myself) that would be happy to answer your questions, and maybe even partner with you to alleviate some of your concerns.Have you contacted wholesalers in your area and/or gone to any REIA meetings near you to network and see if what you're looking like can be found in other means?