Opportunity cost is the real price of any choice — not the money you spend, but the best thing you gave up to get it. Examples:
What is opportunity cost? Read the full idea →It costs nothing in cash, but the Saturday it eats could have been your best day of the month with the kids.
Every yes is a silent no to whatever you'd otherwise have done with that hour.
Driving an hour to save $5 ignores what that hour was actually worth to you.
'Safe' savings carry an opportunity cost: the returns they're not earning anywhere else.
The salary is visible. The opportunity cost — the career or business you didn't pursue — is invisible but real.
That's just how memory works. Lock opportunity cost in with a 5-minute active-recall session — spaced repetition, no signup.
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