# Idiot Tax The concept (via [[Elon musk]]) of calculating how much the raw inputs to something cost vs its market cost. <!-- #mental-model --> [Web URL for this note](http://notes.benjaminreinhardt.com/Idiot+Tax) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Idiot+Tax) <!-- {BearID:ABC823B5-948C-4C1E-B7D5-4CA14EF40B57} -->