I agree, but thats why we are called freelancing, rates probably go from 300-800, unless u are some known photographer, i dare say that some freelancer produce better photography then the full time pros. And before the event/wedding, for my part i would always tell them that i do it as a way of gaining experience and also of interest. i might not be able to produce what they want, but i try to follow as close to their guidelines, or they can hire a full time one, probably with much better photography skills and experience then me. which the prices goes up too.
There was this event that CK perfume hired photographers from certain photography studio, for the 1st day of the event, they sent a freelancer who produced up to standard shoots, while the nxt day, they sent in a full time photographer who produced images, which pissed that in-charge off, they asked him to at least photoshop alittle, know what he said, "I don't know how......."