Group 1 - The foundation of investment is based on solid knowledge of funds, emphasizing the importance of understanding fund basics for successful investment [1] - When evaluating funds managed by the same fund manager, key aspects to consider include investment scope, strategy, and whether the fund is co-managed [2] Group 2 - Different funds may have varying investment restrictions, such as the ability to invest in Hong Kong stocks or whether they are classified as equity mixed or flexible allocation funds [2]