There must be a trick.

Although the three-year holding period helps to increase returns, it cannot be redeemed before the three-year lock-in period expires, and the liquidity is much worse than that of open-end funds.

If they do not have full confidence in the fund manager, investors will not subscribe.

The foundation of fixed investment is persistence. After specifying a plan, stick to it for a long time no matter what, and don't be confused with subjective judgment.

Methods are just the icing on the cake. If you can't stick to them, no method will be effective.