Sign up for the Wendy's email list here and you'll receive a $1 off coupon in your inbox within the next week. This coupon can be used on anything on their menu, so if you get something off the Dollar Menu, you'll get it for free! (Thanks, A Thrifty Mom!)
Speaking of food freebies, don't forget to sign up for your free Quizno's sub. They still have 400,000 or so left to give out!