According to this Fortune [article], Craigslist is about to start charging NYC brokers a "nominal" listing fee for posting apartment ads. The reason given was typical Craigslist ("we're doing it for you, people"):
... after a year of online debate, it is set to charge New York real estate brokers a modest amount, no more than $10, to list their properties. (Imposing even a nominal listings fee tends to reduce clutter and instill discipline.)Discipline, sure! Let's see what happens to the no-fee section - perhaps it, too will need an emergency dose of discipline right away.