First, if you are one of the first 250,000 to join the Chicken Wave, Chick-fil-A will mail you a coupon for a free Chick-fil-A Original Chicken sandwich. You can join the Wave here. (They were only at 11,000 members this morning)
Even if you don't get to join the wave, make sure to head over to Chick-fil-A on Labor Day. From 10:30am to close, they are giving away a free Chick-fil-
A Original Chicken Sandwich to all who come dressed in their favorite sports team gear. My family participated in their Labor Day event last year. It was fun. Surprisingly, we were nearly the only people at the restaurant (I had expected crowds). All four of us were dressed in team gear, so we each got a free entree and shared some waffle fries, a milkshake, and two small drinks. Dinner cost us less than $8 and we played on the playground.