First off, finding a niche with high traffic and high paying isn’t hard. Finding one with low comp. is. But, the competition makes the ads pay more. The idea behind internet marketing, a basic principle, it to raise your search engine ranks, cause that’s how average people find you. So with micro-niching in a populated area, linking, posting daily, and having meta tags in place all help one’s abiltity to get the traffic and the clicks.