Do you want to monetize from the contests on your website, then here comes the Packages for Allowing Contest Creation Plugin using which you can enable Packages for creating contests on your website.
With this Extension you can allow the members of your site to create contest only after subscribing to at-least one of the packages which can be made - Free or Paid. You can made any number of Free and Paid packages by providing different features in each package according to your requirement.
The question may arise - why members will pay money to you for creating contests on your site? The Contest on your website can provide your users a way to connect to their audience and use this system for advertising their businesses. With the Social sharing, Voting, Awards, automatic Winner Announcement and many other features of Advanced Contests Plugin the reach of your users to their potential audience is not limited.
If you use the Contests Joining Fees and Payments System Plugin then you can enable a source to your users to make money from their contests on your website. They can set a fee to enable participation in their contests and make money. In return you can charge commissions from the contest owners, which again can be a new source of income for you from Contests.