Not sure why it helps to think like a CEO to understand that concept.
Adages like: You can't have your bun and your penny. Or 'you can't have your cake and eat it' describe such a situation.
Whats happening here reminds me of an old git/hacker news joke: "Git gets easier once you understand branches are homeomorphic endofunctors mapping submanifolds of a Hilbert space"
Think like a CEO and making where you apply for work and delegate your time descicions even easier!
Want more money -- just think like a sequoia investor!
The concept of opportunity cost.