I really believe that an audiophile should be able to repair their own electronics.
Honestly I hate repairing things in my electronics or home, but the lack of qualified techs (including plumbers, electricians, etc.), time to get the work done and costs really force my hand at times.
I don't think an audiophile should necessarily be able to effect simple repairs, but those who do will spend more time listening to their gear than those who don't.