Online business and SEO is like cooking and seasonings, one related to each other and support each other, because of the success of online business is influenced by the success of managing SEO, and SEO otherwise generally used to support business activities online to target promotions.
With SEO contest, especially for beginners is the same as learning 2 things at once, namely learning SEO themselves and also studied business internet / online, in addition to develop friendships.
So any SEO contest is a positive goal.