BuyCostumes.com has a whole bunch on clearance starting at $3.99. Shipping is around $4.99. Plus you can score free shipping when you spend $40 or more. Just use coupon code: free40. You can head over here to check it out., make sure to click the sale tab. Update: Use coupon code: TVTEN to score 10% off. (Thanks Meredith!)
Costume Express: You can score an additional 20% off already reduced costumes at Costume Express when you use coupon code: TREAT20. There are some cute ones on clearance for only $5.99. You can head over here to check them out.
Of course, I’d love to hear your crafty ideas for your frugal Halloween costumes. As crafty a person that I am, I always hit a road block with costumes. Not sure why but I do.