At present, many fund companies provide fund conversion services, that is, they can enjoy preferential rates when switching between different funds under the same fund company. A can found that buying money funds and then converting them into partial stock funds can save a lot of money. For example, for the products of E Fund Company, the direct subscription to (partial) equity funds is 0.6%, but if you buy money funds first and then convert them into (partial) equity funds, the subscription fee is only 0.3%.

The round-trip subscription/redemption fee for open-end funds is usually 2-3%. For an open-end fund with limited net growth, this is much higher than the transaction cost of stock trading, which is inevitably heartbreaking.