The biggest mistake most of us make is trying to make it big on one niche. With
Most people stick with Google’s AdSense because it’s an easy way to gain money with very little work. However, sticking solely with Google isn’t necessarily the smartest thing you can do. Instead, you should consider using other contextual ad networks. These also offer good payouts on specific niches. Google might be easier to put into action; however it’s harder for you to be flexible with your niches.
By using multiple services, you can leverage all ads based on specific niches. Some services allow you to have more than one niche per page.
The more volume you are running your campaigns on, the better chances of your PCP earnings jumping to highly profitable numbers. You may end up spending a lot more money per day, however, which is something you should be prepared for. But in the long run, you really have a great deal – the ability to send spread out over multiple niches and bringing in a nice profit overall.