In real estate, equity is typically structured so that all investors earn a preferred return until they hit a certain annual return hurdle (i.e., 8%).

You've crossed a great hurdle in the owner agreeing to seller financing.

The LL has to make a 'reasonable accommodation' and imposing a health issue to another tenant would be the same level of un-reasonability as the tenant needing an elevator and expecting the LL to allow one to be installed.

My hurdle now is getting the money to get to actually make some things happen.

They increased the frequency of the inspections and the inspector is unreasonable.

The biggest hurdle is price.   

Another hurdle that I am running into is the lack of capital, raising a family in NYC is not cheap.Current Position and ExperienceI am an accountant who works for a major utility company in New York preparing Financial Statements that are filed with the SEC.  

A traveling sales man can probably store boxes of toothbrushes and brushes in the garage without any unreasonable concern as he sells the inventory on a route, a bit of judgment applies, certainly he can't store lawnmowers in crates or bathroom fixtures or gas welding supplies.

The foreign investors have to perform a ton of due diligence from afar and go through multiple hurdles to buy.

If it does not fit your criteria or if they are unreasonable put them on the back burner and follow up with them in a couple weeks to see what they are up too.