The houses are located near public transportation too - most of the occupants don't have cars. 

Check out local economic development websites and job boards to get a sense of the employment opportunities in the area.Consider the location: Think about the neighborhood's proximity to important amenities like shopping, restaurants, and public transportation.

Other things come into play like plans for public transport like rail cars or the like, things that would create a need for parking lots or garages. 

Transportation, insurance, etc?

Its still way behind rent, food, transportation...

Some crashpads provide transportation, but that usually involves a full-time tenant living at the premises providing on-demand pick ups and drop offs.

Brooklyn is most attractive because of its proximity to Manhattan, access to public transportation, restaurants, and other attractions.

PA is the Keystone State and is within 1 days transportation from half of the population of the country

Transportation is an added bonus. 

So this provides motivation to press for more details from county Transportation/Safety division regarding traffic impact fees and any restrictions/fees associated with access to the property (i.e. driveways from adjacent road) + specific tap fees or fees from cable, as well.Oh, and -- ha -- there is the matter of financing.