Most exciting: 5 for $16.50 undies. (Wow.) Even more exciting? You can SnipSnap this pretty amazing coupon for $10 of a $30 purchase and combine the savings with these already ridiculously low prices. Use the bar code to have your cashier scan the coupon in store, or enter the number code at check out online, and you’ll score 30% off a $30 purchase. If you go for the 5 for $16.50 deal, you’re saving about 50 cents more per pair compared to what you’d pay with Aerie’s usual 7 for $26.50 offer. Buy ten pairs of undies, and you’ll save an additional ten dollars with the coupon, bringing your total savings to around $15. Even better is the that this coupon can be used on clearance items, which are currently an extra 50% off.