Yes, you have good reasons to be apprehensive of making use of this website. Well, the first thing that comes to mind is that if someone is so desperate as to offer money online to have a first date, there may be something wrong with him.
Having paid you hard cash, the person may mistreat you and devise ways to force you to pay back not only the original amount he paid, but something over and above that!
All you have to do is complete your profile with a bit about you, upload a picture and complete your favorite music.
So if you're looking for a punk girlfriend maybe an emo boyfriend or a gothic partner Alt Scene is a great place to start.
Of course, depending on where you live, how attractive you are, and how many dates a week you are willing to go on, you could make more or less than what she earns.