Core Viewpoint - The saying "the rich do not buy east-facing units, and the poor do not choose west-facing units" reflects the differing priorities and financial capabilities of individuals when selecting housing, rather than being a mere superstition [1][18]. Group 1: East-facing Units - East-facing units are generally preferred for their comfort, as they receive morning sunlight, providing better lighting and warmth during winter [3][4]. - However, the comfort of east-facing units often comes with higher ongoing costs, such as moisture issues that can lead to mold and damage over time, especially for lower-income families who may struggle with these hidden expenses [6][8]. - The prolonged exposure to sunlight in east-facing units can also lead to faster wear and tear on furniture and fixtures, which wealthier families can afford to replace more frequently compared to those with tighter budgets [8]. Group 2: West-facing Units - West-facing units are typically cheaper, making them attractive to budget-conscious buyers, but they come with significant drawbacks, such as excessive heat from afternoon sun, leading to higher air conditioning costs [10][12]. - The heat from west-facing units can cause damage to walls and furniture, negating the initial savings on purchase price through increased maintenance and energy costs over time [12]. - Additionally, the discomfort caused by the heat and glare in west-facing units can lead to a negative living experience, making them less suitable for families with limited financial resources [14]. Group 3: Broader Considerations - The choice between east and west-facing units should not be based solely on orientation; factors such as floor height, surrounding obstructions, window size, and ventilation also significantly impact living conditions [16]. - A more informed decision involves considering personal financial capacity and lifestyle preferences rather than adhering strictly to traditional sayings [16][18].

Core Viewpoint - The traditional saying "the rich do not buy the first floor, and the poor do not buy the top floor" reflects the collective wisdom of Chinese homebuyers, highlighting the advantages and disadvantages of different floor choices in the real estate market [1][3][10] Summary by Sections First Floor Considerations - The first floor offers easy access but suffers from issues like high humidity during rainy seasons, privacy concerns, and noise pollution, making it less desirable for quality living [3][6][10] - A survey indicated that 34% of older residential communities have water backflow issues on the first floor, posing a significant risk [3][6] Top Floor Considerations - The top floor provides great views and sunlight but faces challenges such as temperature extremes, increased heating costs, and potential water leakage [4][7][10] - Data shows that temperatures on the top floor can be 3-5°C lower in winter and 4-7°C higher in summer compared to standard floors, leading to higher energy consumption [4][6] Market Trends and Changing Perspectives - Modern building technologies have improved the living conditions of both first and top floors, with features like gardens for first-floor units and terraces for top-floor units increasing their appeal [7][10] - The preference for middle floors, often referred to as "golden floors," remains strong due to their balanced advantages in lighting, ventilation, and noise reduction [9][10] Family Needs and Lifestyle Factors - Family structure and lifestyle significantly influence floor choice; for instance, families with elderly or young children may prefer the first floor for convenience, while younger individuals may favor the top floor for privacy and views [9][10] - The market reflects a general preference for middle floors, aligning with the traditional wisdom that suggests avoiding the extremes of the first and top floors [9][10]