Now here's a rare, RARE coupon - .50 off any 5lb pound purchase of Vidalia onions ( my favorite! ). You'll need a Facebook account for this one.
Click on the "coupons" button on their page ( to the right of "Likes"), like them, then like the coupon for access. You can print this coupon 2 times by using the Back button.
Coupon expires 30 days from day of print. It says "Do not double" - but begins with a 5, so it will double if your store doubles.