In yet people pay money for someone else to do it. Must be something else to it. ;)
Someone with skills knows how to not make an auction excessively hot, and to 'win'.
I didn't realise there were still people who follow the labor theory of value.
Quite a reasonable and 'small' fee if you ask me. There's plenty of professions out there which earn multiples of that for the time spent on a particular job.
In the end if it wasn't a fair price, no one would be using the service. :)