Core Insights - The article emphasizes the importance of pre-purchase planning when buying digital appliances, focusing on understanding personal needs, identifying genuine discounts, and anticipating risks to ensure practical and reliable purchases. Group 1: Understanding Needs - Consumers should avoid being misled by "multi-functional" claims and focus on what suits their specific requirements, such as choosing mid-range smartphones for basic tasks instead of high-end models [2][3] - For large appliances, considerations like family size and storage habits are crucial to avoid overcapacity or undercapacity issues [2] - Small appliances should also be chosen based on actual usage needs to prevent unnecessary spending on features that will not be utilized [3] Group 2: Identifying Discounts - Consumers are advised to check historical prices to avoid falling for deceptive pricing strategies that create a false sense of discount [4] - Understanding the terms of promotions, such as "full reduction" or "trade-in," is essential to calculate the actual cost and value of the deal [4] - Caution is advised against low-priced lesser-known brands due to potential risks related to after-sales service and product reliability [5] Group 3: Anticipating Risks - Pre-purchase risk assessment is crucial, with recommendations to use platforms like "Black Cat Complaints" to check the history of merchants and products [6][7] - Consumers should look for common complaints about specific products to avoid those with known issues that conflict with their needs [8] - Genuine user reviews, especially negative ones, should be prioritized to gain insights into potential problems with the product [9]