SL Green Realty buys mortgage of 510 Madison Ave. (AP)

New York is one of the most expensive cities in the world. It's costly to live here and to visit. Hotel rooms are astronomically expensive, with an average room rate of $277 in 2011. 

First we got GM subprime interest-free car loans,  then we got

The event of your death do you wish there was a way to at least make sure that your mortgage would be paid off? If your life insurance did nothing more than to allow your family to live in a debt-free home that would be a major accomplishment, wouldn’t it?

For the man who has everything except that perfect alligator skin jacket, he need only visit Hermes' newly opened boutique on Madison Avenue in New York, where the snappy garment sells for 158,000 dollars.In the city with the highest concentration of billionaires worldwide and a magnet for 45 million tourists, the commercial real estate mantra as always is "location, location, location."The recent opening of Hermes' Man on Madison store reinforces the avenue's prestige, but also points to a growing shift toward high-end luxury.

Everyone has to eat, even if they're working insane hours. Wall Streeter's (on top of having to eat) must also entertain clients. So they need to know something about decent food in NYC.