4 ms·

If it is not scarce - the value is low.

• whoknowsidont 3y ago
  Breathable air is pretty valuable, at least for me. And it's definitely not that scarce on this planet.
• qwytw 3y ago
  Well it was. Supposedly it cost about the same as wheat by volume (and salt is ~50% more dense). So it was dirt cheap.