Ads offer to swap rent for sex

There's a new way to snag a roommate online: Have tenants meet a list of demands, including walking the dog, doing the laundry and having sex.
Upscale executive seeks beautiful female 18-24 to live in his luxury condo in Coral Gables for $1/month in exchange for some light duties. Help take care of dog, cook occasionally. Sex 2x/week. Serious inquires only. Please email a picture for consideration.