How to monetize your blog?

Many bloggers want to find ways to generate an income from their blogs.

Advertising:
Advertising is a good way to earn money from your blog.
Have you Google Adsense Account? If not, go and create it. After creating it, wait for Google's response. They will send you a confirmation e-mail. Now you can get money through your blog. From your Blogger Dashboard, go to Layout> Monetize.
You can also sign up with other sites. Put their adds on your blog and get reward. Following is the list of some common advertising programs.
Google Adsense
Amazon Associates
eBay affiliates
Pay-Per-Post

Donation:
If you are a good writer, you deserve donations. Don't be shy. At the bottom or side of your blog, use a line such as "If you like this blog, why not buy me a cup of coffee?" and add a PayPal button.