I was initially hoping to invest here on long Island but after some thorough research have come to the conclusion that to have a positive cash flow I would have to purchase properties for section 8 in undesirable areas.

This helps me to quickly disqualify those sellers with homes in undesirable areas (at least for my company).

You need to get tough and not allow others, like your tenants, to drag you into undesirable situations and conversations.

A significant portion of students find that restrictiveness undesirable.

Factor in what has to be done for the exterior as it relates to your desired exit date: Paint, mud-jacking, concrete pour, roof, landscape, etc.

@Joel Owens, the problem is the wait time between coats to refinish. its like mudding drywall. 

I did have have a house,, one side sprayed with mud to the roof, the previous tenants boyfriend repetedly spun out his wheels in the side yard in anger, not knowing she wasnt still living there. 

If you don't perform as a buyer due to lack of financing, your name will be mud with the parties involved.

Asbestos siding and knob-and-tube wiring; even ungrounded cloth wiring is undesirable today.

1) laminate floors that sound like you are walking with tap dance shoes on2) vessel sinks3) anything that is painted "faux" style4) open floor plans (although I think this is still 2-3 decades away from becoming an undesirable floor plan) I have wondered for years what will replace SS appliances.