As one of its daily deals, THAT Daily Deal offers this "Yes, This is My Halloween Costume" T-Shirt
in Red for $4.99
for shipping. That's the lowest total price we could find for such a shirt by $13. It's available in sizes S through XL. Deal ends October 11 at 11 am ET.
Note that size XXL is available for an extra 99 cents, and size 3XL for an additional $1.99.