As one of its daily deals, HoboNinja offers this Zombies for the Ethical Treatment of Humans T-Shirt
in Black for $9.99. Coupon code "IWILLSHAREHOBONINJA" cuts it to $5.99
. With $1.99
for shipping, that's the lowest total price we could find by $11. It's available in sizes S, L, and XL. Deal ends October 4 at 1 pm ET.
Note that size XXL is available for an extra 99 cents.