What do people say on affiliate
This article is worth a read, possibly highlights all people's questions and concerns with the new trend.
It needs patience and lots of effort to build the engine, it is not one night's success. Just like share investment, to make money successfully, the process is boring, dreadful. Need courage, tenacity, hard work to explore in the darkness.
There is a possibility to make money, there are so many other ways as well. People may tell you much adsense he has made, but he doesn't tell you how much is the profit after deducting adword cost. SEO, is the king, otherwise if relying on adwords and adsense the margins, it depends on massive volume to make some decent money.
I would think this is a one of the hardest way to make a living in the world. Just like making money from share market, everyone can participate, it does not need any skills, and experience, because it is easy to 'make money', the question is what is the chance.