When I was young I used to believe that every time you made a purchase, you got change back regardless of the amount of money given. I never could figure out how those candy machines where you put the coin in and turn the knob were smart enough to know how much change to give!
A childhood belief about money

others believed things like this
- I used to believe that coin change could turn into actual paper money if you left it alone for a long time. — Marcus O
- that people in shops gave you 'change' if you didn't quite have enough money to pay.— suzy
- I used to believe that young boys belly buttons would soon change into there willys...Anon
- I used to think that money from ATM machines were free :p— qwerty
- I used to believe when I was young that Poland was made entirely of candy.— Jenn
- I used to think that on day light savings time you had to stay up till 2:00am to change the clocks! — Sandy