Simple way to manage money

1. When the goods are extremely expensive, they should be sold in time and regarded as dung; when the goods are extremely cheap, they should be purchased in time and regarded as jewelry. The circulation of goods and coins should be like running water.
2. Buy index funds, buy and hold them when they are in a downturn, and exit when they reach their goals. It is best to make long-term investments without losing money.
3. Cash flow is important. Li Ka-shing once said that I have a habit of paying attention to cash flow, so many times I have extra funds to do business in other industries.