Google gives you chance to start your own free blog. Go to the blogger.com or blogspot.com and signup with your gmail email id and create your free blog.
After making your blog, post some good content matching with your blog title in your blog and advertise and promote your blog so that visitors visit in your blog. As much as visitor visit in your blog, you blog value will increase. First one month just post good content and increase no. of post an increase your page view and don’t resister for adsense Account. After one month when your page view crosses over 1000 then join some online advertising program.
The best is Google adsense and AdBrite, Bidvertiser, Chitika Infolinks/Intellilinks, Clicksor, Yahoo Publisher Network, BuySellAds.com
Register in Google Adsense
Go to Google adsense and sin up again with same email id and submit your url in Adsense and your permanent address don’t change your address you cant change your address once you submit it.Just sign up and ready to display ads on your blog, click on the "Earnings or monetize button in your dashboard and sign up for adsense by filling the application form, now select where you want the ads to appear on your blog page. If your adsense account is approved, you will get ad on your blog and start making money. The ads,given in your blog are related to your content of your blog. Don’t copy and paste content from other websites or blog or else your adsense account will be disabled the only technique require to earn maximum dollars is to post your own Posting high quality content is the best way to maximize your returns with AdSense
Design your blog
In Dashboard there is a Design tab click on it you will have Template Designer there.Template Designer lets you create your blog page select a template, you can choose the colours, fonts, layout and background of your blog in template designer. You can also take help of Advanced design features to change your blog’s colour of links to adding custom CSS.