Children are afraid to ask for things.
Some children obviously like that thing but dare not ask for it. They don't buy it because they think it is too expensive.
Children haggle over every ounce.
Some children have been taught the importance of money by their parents since childhood, and they will be very sensitive when it comes to spending money.
Children like to be greedy and cheap.
Some children have shown a particularly shrewd and calculating ability since childhood, such as exchanging their worthless stationery with their classmates for something more expensive, or like to ask others for something, and then they are particularly satisfied.