It is said that in the internet marketing world, content is king. While there is no doubt that strong copy and valuable information is what will ultimately determine whether your site will be a profit machine or a money pit.
But, in order to get that buyer ready to part ways with their hard earned cash they must find your site.
If you want to make money on the web, you must get traffic to your website. If you want to get traffic to your website, you must have a high rank in google's search results. Google ranks websites based upon the number of links that point to the site.