When I was young, I used to see "90 days, same as cash" on retail windows in my neighborhood. I thought that meant that if you had a choice of going to jail for 90 days, or paying cash for your purchase.
A childhood belief about criminals

others believed things like this
- I used to think the lady behind the cash register at the A & P got to keep all the money in the drawer.Anon
- I thought that "tomorrow" was one of the days of the week— Frank
- I thought that days had 100 hours in them. Very surprised to hear there were only 24.— Cassiopeia
- I always thought that after 1999 it would be 1990 again, but with different months and days of the week
— optional - back in the days i thought the world was black and white like in the pictures— compaq
- I used to think being engaged meant being in jail. I have no idea how I came to that conclusion.— CNB