BuyCostumes takes up to 35% off Halloween costumes including TV and Movie Characters, plus size, and sexy costumes. Better yet, take an additional 10% off orders of $40 or more via code vamp10. You can also use code bogo20 to take 20% off one costume when you buy another, or get 25% off your sexy costume when you buy 2 via code bogosexy. Check out the Star Wars Princess Leia Slave Adult Costume, originally $59.99, now reduced to $46.99. Shipping starts at $5.99 or is free with $65 and there's no sales tax (except NC, NY, WA, WI).