After confirming that it is idle money, choose a fund with good past performance that can be easily bought and sold in a bank near you. You don't have to pay attention to it often after buying it. Sometimes you can look at your net worth and count your small money online, but don't act frequently. A fund is a long-term investment. Redeem when you need money or reach your predetermined income. Last year, the annual income of many funds doubled, which is really a lot of income. Of course, this year's market is not necessarily so hot, we must have the ability to take risks and learn the skills to resolve risks in the investment process.
Financial management is a habit that needs to be cultivated from an early age, and it is not contradictory to learning. Knowing how to manage money and learning how to manage money will benefit you all your life.