There are a bunch of clothing items marked down up to 80% off right now on Aeropostale.
This girls top (and several others) start at $3.99.
Shipping is a flat $7.00, so an online order would be worth the shipping if you are ordering 3-4 items or more.
You can also print a coupon good for $10 off a $40 purchase in store.
If you do purchase online, make sure you check out through ebates and get 3% cash back.