"At least half of the popular fallacies about economics come from assuming that economic activity is a zero-sum game, in which what is gained by someone is lost by someone else. But transactions would not continue unless both sides gained, whether in international trade, employment, or renting an apartment."

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And your typical TV series, you've got your police station, your apartment, the hospital, the starship, or whatever it is, and you're constantly going back to those sets and shooting, which saves you a lot of money and time. You can do that faster because you become really familiar with it and you become really good at it.

— Ronald D. Moore