1. Online purchase: The advantage of buying in official website, a fund company, is that the handling fee is relatively low; The advantage of buying a fund on a third-party platform is that it is easy to operate.

2. Offline purchase: Users can purchase through the securities account where stocks are traded, but they can only purchase after the brokerage company opens an account.

3. No matter which fund sales platform investors subscribe for public offering REITs, or the fund company official website directly subscribes, if they want to sell, they can only "transfer to the market outside the market" and sell them on the market after receiving the account.