内行人建议：不管1栋楼有几层，买房时，请牢记“2选4不选”原则

Core Insights - In China, home buying is closely linked to significant life events such as residency, marriage, children's education, and retirement, making it a crucial aspiration for many families [1] - The choice of floor in a residential building is often a contentious issue, with some buyers superstitiously avoiding certain floors while experts recommend a "two-four not to choose" principle for optimal living conditions [3][5] Group 1: Recommended Floor Choices - The "two choices" refer to prioritizing two types of floors: the second-to-top floor, which offers excellent lighting, ventilation, and views while avoiding common top-floor issues, and the middle floor, which minimizes noise and dust interference, ensuring comfort even during elevator outages [3] Group 2: Floors to Avoid - The "four not to choose" refers to four types of floors to avoid: - The top floor, which suffers from extreme temperatures, high air conditioning costs, potential water leakage during rainy seasons, and significant inconvenience during elevator failures [7] - The ground floor, which has privacy issues, requires additional security measures, suffers from pest problems, lacks sufficient sunlight, and is more susceptible to noise from the ground [7] - The waistline floor, designed for aesthetic purposes, poses risks of falling objects and water leakage for upper residents, while lower residents face lighting issues [7] - The second floor, which inherits some ground floor disadvantages and is at risk of sewage backflow, particularly in summer, along with potential shading from tall trees affecting light and drying clothes [7] Group 3: Conclusion - Homebuyers should analyze their needs rationally, avoid superstitions, and select the most suitable floor to ensure a comfortable, safe, and convenient living experience [7]