Core Insights - The Chinese people's strong attachment to home ownership is driven by various social functions such as settling down, marriage, children's education, and retirement [1] - The process of selecting a home is complex, with factors like location, layout, and floor choice being crucial [3] Floor Selection Guidelines - The "two selections" principle suggests prioritizing the second-to-top floor and middle floors for their advantages in light, ventilation, and comfort [5][7][9] - The "four non-selections" principle advises against choosing the top floor, ground floor, waistline floor, and second floor due to various drawbacks such as temperature extremes, privacy issues, and potential maintenance problems [10]