I wrote about it before.
I am getting so much money back especially now, since some companies are offering 10 - 15% back on your purchases.
And you don't need to do anything to earn money back other than going through Ebates to your favorite site and shop.
You can set it up for the magic "E" to show up when you open a website. Just go to Ebates.com and get it going. This way you never can forget to attach the "E" to your shopping experience. When you see the "E" flashing on the website you are shopping on you click it and it creates a shopping ticket for Ebates and then the website you are shopping at reappears.
Since I started, I have earned close to $400 back. And if you know my mindset, I love to get money back or at least figure that the items I bought actually cost less when I factor in the "rebate from ebates."
Here is a link, from me to you, to sign up and start shopping: