Wow, only 500$..
Damn I know strippers that get loads more than that for a nights work. Girl I know used to go to France and earn about 1000£ a night (1500$ roughly depending on fx) to strip. And thats like no touching. Well, thats what she said anyway, probably closer to half that.
Also for the "blonde, likes to fuck" brigade, some (not all) are friggin smart, earning $$$ just for appearing naked doesn't seem so bad to me. Some people have to clean toilets or work in factories 50 hours a week and don't earn that. Furthermore if she has an exhibitionist kink thats a double win for her.
Of course this is an unbiased opinion because I don't like fit blondes who like to fuck