"upon completing the work, rented the place out for $2,900/month."
Oh my god, how is it possible for anyone to pay that much?
2800$ is about the general income / month here.
However, many people in NYC do not make big money and it comes down to living further away from Manhattan and having roommates. Depending on the industry you're in you can have a huge range in salaries based on experience, your reputation and simple luck.