It pays to do an intensive research into areas to create websites for AdSense revenue. Since AdSense is served automatically by Google to your website, your only maneuver is to look for very specialized, less competitive, high paying niche areas and keywords to create your website content on. As a rule of thumb, new products are naturally good niche areas to start with; assuming that you catch on the fad soon enough before every man and his dog start selling the same product. Please note that we are placing emphasis on guys that want to use AdSense as their main source of online revenue here.