Shoemoney don't do that with Google Adsense. A huge bulk of his income comes from other sources. It is not good to put all your eggs in only one basket.
Its definetely possible but personally id say its ill advised. There are far more profitable ways to monetize traffic than adsense.
It's possible but that shouldnt be your goal otherwise you're probably going to be disappointed and wasting your time. You need a really good viral idea to take off for adsense to do well, or great seo results.