Core Points - The article emphasizes the importance of consumer awareness and preparation before making purchases to avoid potential pitfalls in transactions [1][5][6] Group 1: Consumer Rights and Evidence - Keeping purchase receipts, electronic invoices, and chat records is crucial for future rights protection, serving as direct evidence in disputes [2] - Contracts are essential in large purchases or service consumption, and consumers should pay close attention to terms regarding refunds, after-sales service, and breach of contract responsibilities [4] Group 2: Researching Businesses - Consumers should not only focus on sales and ratings but also investigate negative cases and public complaint information to gauge a business's reputation [3] - Platforms like Black Cat Complaints allow consumers to view real experiences of others, including complaint types, timelines, and resolution statuses, providing deeper insights into a company's responsiveness and problem-solving capabilities [3] Group 3: Pre-Purchase Preparation - Conducting research before making a purchase helps identify risks, especially for significant expenditures, making it more cost-effective than dealing with post-purchase anxiety [5] - The article suggests that consumers increasingly use Black Cat Complaints as a "risk radar" to assess potential issues before deciding to buy [5][6]