Elementary school would be OK, but high school is another story - those are the students who could be troublemakers (graffiti, loitering, drugs, drinking, littering, fighting, loud music, etc).

In fact, I am closing on my second property this year and I'm trying to get a mixed use status (allowing commercial operations) - my plan is to essentially convert a SFH into a duplex with an addition in the rear as a car-lot (strictly to obtain a dealer's license) and buy at car dealer's auctions for capital flows into my enterprise. 

If you are able to establish yourself as an honest dealer, someone who can be trusted, then your background as a pro athlete will serve you very well if you want to raise money in the field.  

While this property doesn't sound as homey as places I've toured, another idea is a recovery house for drug users.  

Be prepared for a lot of complaints on drug deals and break-ins Also get ready for the property manager to rip you off as they nickel and dime you everything. you will start getting random statements every month about maintenance that cost several hundred dollars  with barely any explanation and communication starts to fade away.  

Having been convicted or found guilty, regardless of the manner of adjudication in any jurisdiction of the United States of a misdemeanor involving moral turpitude, sexual offense, drug distribution or physical injury, or any felony, there being no appeal pending therefrom or the time for appeal having elapsed.

They still have all the opportunity to buy it back but i would not want to enter into any type of partnership with them.Be sure you understand the tax rules as to a sale-lease-back with an option to buy as well as Dodd Frank if you're a dealer in the RE business.You can have full control under a TIC by agreement.If you buy this, frankly, dealing with a hoarder can be very trying and you can't really evict for property being inside.

We don't do anything with new homes and they usually cater to dealers and park owners that do.

The use, possession or sale of illegal drugs at the Dwelling is prohibited.

I believe you would need a dealers license.