With Affiliates all over the world have literally (over) optimized every product/service/promotion the Game with Google is getting tougher & tougher! Google wants to provide great user experience to its users and can't put up some BS site on its top results. The game will really get even harder.
But, if you can make some short videos, 3 - 5 minutes in length? Even if you don't have a camera...you can do one with Animoto or Camtasia! You can really suck a lot of money through YouTube! Google even ranks YouTube videos faster.
YouTube gives you not only easy Money. If you do it right, it can get you fame, authority in your Niche much easier than like writing 100 posts in your blog!