We don’t have anything like that built into our system, however you could convert your site into a membership site that allows only paid, logged-in members to access and submit events via the Community Events page. Here is a great post that will help you to get a little more acquainted with some of the more popular membership plugins available http://chrislema.com/comparing-wordpress-membership-plugins/
Thank you Josh. I did find a solution… Using WooCommerce. Basically I created a product for purchasing the event, then used a WooCommerce custom thank you redirection to redirect the person to the community event add page.