Purchasing a co-op will require an interview in person, although a creative agent may get the board to interview you over skype. With that said, you can purchase a co-op sight unseen, but it will be complicated by the interview process.
Location though will be difficult for you as $150k won't buy you much in NYC even in the boroughs. It most likely will be a small apartment, in not the best area. Now, if you can move to about $350k, it will still not be the largest, but will get you a nice co-op or a good sized condo in Queens or further out in Brooklyn.
Bond New York, Manhattan, Western Queens and Brooklyn Near the City
cel 954-675-9915 SKYPE kelly.killian1