Actually none of the money goes to Deadmau5 this contest is run by the Audio Academy
Im one of the Dj’s in the collective for them. Their big thing is negotiating opening sets at huge events. They have already given my friend one of the opening spots at Deadmau5 cause he is part of the collective.
Any good contest you need to pay to enter normally. Think of all those free beatport contests or lower level label contest where you may win a piece of software or get your remix released on Beatport to make a whole $5 prob. Opening for Deadmau5 will advance your carreer than all of those other contests.
For a better grasp of the contest visit the Battle of the Dj’s page. They are still working out the kinks of the battle and contest rules but none the less write a killer track and submitt the best 2 minutes of that track and get all your friends to vote and you may open for Deadmau5!