If your monthly income is 5,000 yuan, you can vote for 500 yuan every month. This method is suitable for two kinds of people. Moonlight family who can't save money; A novice who doesn't understand funds. The biggest distress of the moonlight clan is that it earns more than it spends. They can't keep the money on the card at all, but they always want to spend rationally but can't control their desires. If you also have this symptom, you can set the fixed investment date as the second day of salary payment, so that every time you pay your salary, you will automatically deduct several hundred yuan for fixed investment, and you can save several thousand yuan a year. Make a fixed investment with 50% of the monthly balance. The monthly balance here is the money that can be used for long-term investment after all expenses are excluded. For example, if you can balance 4,000 yuan a month, but you need 1 ,000 yuan in the short term, then take half of 3,000 yuan, that is, 1, and 500 yuan will make a fixed investment. This standard is suitable for investors with certain fund investment experience, and can also be counted as the upper limit of monthly fixed investment.