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This video provides a basic overview of some of the key concepts you need to know about barter, money and liquidity.

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Image attribution:

Barter image
Creative Commons image credit: barter by Irina Slutsky

The door to the walk-in vault in the Winona Savings Bank in Winona, Minnesota, United States
Jonah Thunder

Caption- Abstract - Bank Teller Counting Money for Customer --- Image by © Duncan Smith/Corbis

Roll of 100 dollar bills: 401kcalculator.org

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