每日钉一下（什么情况下会出现5星级？）

Group 1 - The article emphasizes that fund investment is a suitable method for lazy investors and discusses how to effectively implement it [2][3] - It highlights the importance of preparation before starting a fund investment and how to create a solid investment plan [2] - The article presents four different investment methods and encourages readers to identify which one suits them best, along with strategies for profit-taking [2] Group 2 - The article mentions a free course available to help individuals understand fund investment better, including course notes and mind maps for efficient learning [2][3]