Here is a cost breakdown: https://www.righto.com/2015/11/macbook-charger-teardown-surprising.html https://www.righto.com/2015/11/macbook-charger-teardown-surp..

Here is a cost breakdown: https://www.righto.com/2015/11/macbook-charger-teardown-surprising.html https://www.righto.com/2015/11/macbook-charger-teardown-surp... They are 8-10x a basic utility of your laptop. That breaks faster then my laptop. I travel a lot, cable generally lasts a year.