2. For money funds, the initial investment is generally one yuan, while for stock funds, most of the initial investment is 10 yuan. Of course, there are also some funds with an initial investment of several hundred. Therefore, investors only need tens of dollars to buy funds. It is more common for investors to save tens of dollars in Yu 'ebao to buy some money funds.

3, tens of dollars to buy a fund, its gains and losses are not great. For Xiao Bai, who is experiencing the fund for the first time, he can choose to buy only a few tens of yuan to experience the charm of the fund. For some investors who often buy funds, he can also choose to buy them in batches, only a few tens of dollars at a time. It is more common for the fund to make a fixed investment, and choose to buy dozens of them at a specified time every day or week, so that he can continue to buy.