Waiting for the catch

Thanks to a reader for this Craigslist ad...

$780 Female Roommate Wanted - Your own bedroom in 2 1/2 Bedroom apartment (East Village)
Date: 2010-11-16, 8:44PM EST

Furnished bedroom available in spacious 2 1/2 bedroom apartment. Doorman, high floor, city and sunset views, sunny, etc. Washer, dryer and dishwasher in the apartment. The apartment has good heat, is quiet for sleeping, has good air-conditioning, high speed internet and a spare computer for the roommate's use. It's an elevator building and there is a health club in the building. The room is about 200 sq. ft., has a double bed, dresser, desk, walk in closet and a window with a nice view. I'm looking for a female roommate who will occasionally not wear clothes when I ask in exchange for free rent. No sex whatsoever required. Otherwise the rent is $780/month, everything included.