Many ways. I don't earn money a lot, but i am earning money well with AdSense, clickbank, affiliate, even my autoblog earns me money from amazon affiliate and it is not even 5 months old The best and fast money, is with affiliate.
Don't worry, you can click my signature, which is on pink color. You will have this too, once you are allowed to put your site link
Adsense is the widely used platform to earn money from blogs. People who do not make it to Adsense use other advertising services, affiliate programs, banner ads and lot more. But before you start trying out for money making, do work for your web traffic.
Yeah you are correct.I have joined EWA last month and i am surprised to watch my account with the dolor flowing.
1) build a good quality Blog ( should be unique,different,interesting,original) 2) posting regularly and periodically 3) don't forget to play with SEO 4) follow to search engine 5) promote your blog in social network or anything else ( for get high traffic ) 6) sell blogroll,try affilate and many more.. online earning program.