Meeting people online is the shit (when it works).
Lying is common. People will say things like: I'm the hottest person on here (translation: I have a fever or am horny), I'm very good looking (translation: that's what my mother tells me), I've got 40DDs (translation: those are my balloons in the closet), I've got an hourglass figure (translation: I own a barbee doll).
So, always insist on picture, or cam if you both have one. Discuss what you both are looking for in detail. When you get to their place leave your wallet, cell phone, and everything cept the car key and the condom in the car.
Happy fucking!
Its also easier to find more than one on one online if you're into that kind of thing.