A story of revenge: "How I beat an online course scammer"

Ryan Kulp teaches an online course that costs $2,100. Someone paid for the course, copied all the materials and offered them for sale on his own website, then demanded that Kulp refund  the $2,100 he gave Kulp to get access to the materials. Kulp didn't take kindly to this so he plotted his revenge. He wrote this article about what transpired.