What is the greatest opportunity/job/luxury/personal thing you have sacrificed?

We all talk a lot about the work we do and the jobs we got and stuff. But what is it that you sacrificed to get get there?

I’ll go personally:

I wanted to build a career in tech, so I:

1. Lived away from my family and friends in an unknown city for 3 years (hardest thing for me as family/friends mattered a lot to me)
2. Did not take up a job in Finance which was my true passion and still is