When I signed up for a web host and domain, Godaddy provided me a $75 Google Adwords coupon that I could use to boost internet traffic to my site. This is for first time customers only. But did you know that Google is very generous that you can receive another coupon from them?
You would need to sign up for a new account for this to happen with a new email address and phone number. Google will review your application and they will email it to you hours after you requested for it.