1. Select funds: Many funds invest 100 yuan in Qian Qi, and funds of third-party payment platforms support daily fixed investment of 10 yuan. Sometimes it's only one or two dollars a day, which is more cost-effective than the bank's regular schedule.

2. Buy stocks: the risk of stocks is relatively high, but the return is the same, and the income will be relatively high, mainly depending on the specific market trend of stocks.