"The more content and more authority you become the more people linking to your content.
You create more entry keywords by adding more content.
You strengthen your theme and your main keywords by adding more content. This help move yourself up in rankings.
The money starts to multiply after a time. Once content is added it creates a residual income. In other words you don't have to do much of anything and still make money on it. 1 year 2 years 3 years. That adds up to a chunk. " arubicus