The upside-down ketchup bottle earned its inventor 13 million dollars.
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A full-time cashier at Costco makes about $49,000 annually. The average wage at Costco is nearly 20 dollars an hour and 89% of Costco employees are eligible for benefits.
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In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
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A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
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In Japan, it is tradition for husbands to get a monthly allowance from their wives.
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Coins usually survive in circulation for about 30 years.
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In 2013, Candy Crush made $850,000 per day!
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On average, every dollar bill you touch has over 3,000 different types of bacteria.
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