Sign up for a Bing Rewards account either here
http://cur.lv/5gn6y

Step 2) Install the Chrome extension Bingo 
http://cur.lv/5gn71

Bingo pretty much creates a Bing search for every Google search you do, so you will never have to use Bing pretty much, and can go about your daily searching habits without having to worry about using Bing. To further maximize your earnings, go to the Bingo options, and you can set it to do x amount of searches every half hour to ensure you get your daily point cap.