Once your account reaches 1000 points your account will give you an option to redeem a $5 reward. A $10 reward will be made available once you reach 2000 points and a $15 will appear when your account reaches 3000 points.
When you wish to redeem your points for a reward, simply select the reward you want and select "redeem". This will prompt a confirmation.
Upon confirmation you will be sent an email containing a coupon code to be used on your next purchase.