Mal: Okay, before we go to harvest goblin ears I want to visit an otolaryngologist.
erragal: Sure. ...why?
Mal: Okay, we get a contract to sell cochlear implants. So we cut off all the goblins' ears, and sell them to the sheriff. Meanwhile, we sell them cochlear implants--or just hand out brochures!--and get a 30% cut for all surgeries based on our recommendations. Perfect cash cow!