Step 1: Create account on google.com

Step 2: Create a blog http://blogger.com

Step 3: create your website  

Step 4: Create an account on google ad sense http://google.com/adsense

Step 5: Get some ads from your google ad sense account

Step 6: integrate  ads on your blog.

Step 7: Put some affiliate links related to on your topic

Step 8: Start promotion your site to forums, social networking sites.

Step 9: Use Face book & orkut communites.

Step 10: Do search engine optimization.