the.com/cost

the price tag you see plus every silent one you don't

means The amount of money, effort, time, or sacrifice required to obtain or do something.

from From Old French 'coster' or 'couster,' meaning to cost, which descends from Latin 'constare' — literally 'to stand together' or 'stand firm,' and by extension 'to be fixed at a price.' That Latin verb is built from 'com-' (together) and 'stare' (to stand), making 'cost' a distant cousin of words like 'stable' and 'constant.' The idea is that a price is what something 'stands at' — where its value comes to rest.

hidden kind
opportunity cost counts roads never taken
sunk truth
already-spent money should never sway decisions
word root
from Latin constare, to stand firm
economists love
everything has a cost, even free things
for instance

apollo 11 mission — nasa spent $280 million in 1969 (about $2.8 billion in today's dollars) to land humans on the moon

central artery tunnel boston — the big dig project cost $24.3 billion (1991-2007), making it the most expensive highway project in us history

international space station — total estimated cost of $150 billion across all participating nations since 1998

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