

TANSTAAFL—the mantra every economist learns at an early age. “There ain’t no such thing as a free lunch.” It is a settled economic principle that pretty much everything has a cost—more precisely, an opportunity cost. If you choose to do one thing, you are sacrificing the benefits you could be gaining....
Stacy Langston explains why it’s more cost
effective to restore carpet versus replacing
the carpet when it’s heavily soiled.
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