Hobo Ninja offers the Schrute Farms Beets T-Shirt for $9.99. Coupon code "IWILLSHAREHOBONINJA" cuts it to $5.99. With $2.99 for shipping, that's the lowest total price we could find a similar Schrute Farms Beets shirt by $8. It comes in sizes S to XL. Deal ends January 24.
Note that size XXL is available for $6.59, and size 3XL for $7.19, each after coupon.