Here are a few coupon codes to use if you are still looking for a Halloween costume. At Buycostumes.com they not only have costumes but TONS of party supplies.
Make sure you go to the clearance section and look at all the $3.99 costumes and clearance party items!
Here are some coupon codes to make a sweet deal:
VAMP10 – 10% off Any Order
Skull20 – $20 off Halloween Costumes
MAD10 – 10% off $40 or more
bogo20 – Buy One Get One 20% off