Before even finishing my profile, minus picture, I was getting messages. Even though you get a free 3 day trial, I usually fear having to worry about automatic transactions after that. Just went to and, yeah, can't get anywhere. leave now"), it turns me off, which is most of them.
I just read a profile and based on the tone ("I'm not here for no. I am on Plenty Of Fish, aka POF.com, but hardly use the site much. Of course most won't allow you to do more than see a profile pic, even see messages others already sent (if they are real profiles yes, they can be fake profiles). I just sign up for random ones, but never pay them, often times closing the account after seeing how far I can go without paying.