Coupon Code: Littlest (Patreon)

Author's note: I recently got into a fairly popular podcast featuring a trio of brothers. They made a joke that got stuck in the back of my mind, and I had to do something with it or it would drive me crazy. This is the opposite end of the spectrum of what I normally write, but was quite cathartic.

El decides to abuse a coupon code that promises to take "20% off". He keeps stacking the coupon until there's nearly nothing left!