> If too many people do this, the vibrancy of the city that makes the real estate valuable in the first place will disappear, because nobody will be able to aff

> If too many people do this, the vibrancy of the city that makes the real estate valuable in the first place will disappear, because nobody will be able to afford to live there. Already happening in some places. The average rent of a 1BR in Manhattan leveled off a couple years ago, roughly equal to the average 1BR in Brooklyn. All but the most successful young professionals have fled the city for the boroughs; the artists fled ahead of them, so all the fun night life that used to make NYC so exciting is already out in Queens (for a while it was in Brooklyn, but I think a lot has been pushed out there already, too). NYC, now, is a lot more dead by comparison. It's still fun for tourists, and the place to be for the sort of evening life that is either more expensive (fine dining) or less capable of flight to the outer boroughs (museums), but if you're a local...