Money （钱）is very important in life, although it is quite pointless to compare it with things that are best not to be measured in money. Money is money. It does what it does. It is very important. Period.
I ask my children “If you have $100 and you spend $100. How much do you have left?” “Nothing left”. “Likewise, if you have $1,000,000 and you spend $1,000,000. How much do you have left?” “Zero!”
That is right. To be rich, it is not only important that one needs to make money, but also save money (节省）. My children know that we should buy things on sale as much as possible.
We were looking at historic prices of properties in Zillow.com. I showed them the time series of prices and point to the trough in 2009 “this is sale price” and the peak in 2005 “and this is the full price that we should never pay for. ”
When we go shopping, I try to let my children pay. Before we come to the cash register, if our shopping cart is not that full, I will ask them to try to sum up how much the total is and compare how close our calculation is to the actual.
There are just so many places and so many things to learn. I have explained to my children what a bank does, interest rate, what collateral means and so on. “Why do you think the bank employees are so nice to us by giving us candies/hot chocolate when they are helping us to keep our money?”