# How much does it cost to go up a TRL in different domains? # How much does it cost to go up a TRL in different domains Some people’s hypothesis is that it actually costs roughly the same amount anywhere with hardware <!-- #questions --> [Web URL for this note](http://notes.benjaminreinhardt.com/How+much+does+it+cost+to+go+up+a+TRL+in+different+domains) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/How+much+does+it+cost+to+go+up+a+TRL+in+different+domains) <!-- {BearID:E168CBD6-2B39-4B51-8654-B9195083FBEA-470-00001C6F6B4AA546} -->