Core Viewpoint - The article discusses the misconceptions surrounding the purchase of apartments on certain floors, particularly those with the number "4," and highlights the real issues associated with other floors such as the top floor, equipment floor, and ground floor [1][4][24]. Group 1: Misconceptions about Floor Numbers - Many people avoid buying apartments on the 4th or 14th floors due to superstitions, believing it will negatively impact their fortune and career [1]. - However, the number "4" can also symbolize positive aspects in Chinese culture, such as peace and prosperity, making these floors viable options for personal residence [4]. Group 2: Issues with Specific Floors - **Top Floor**: Living on the top floor can lead to extreme heat in summer and cold in winter, resulting in higher energy costs for heating and cooling. Additionally, top floors often require frequent waterproofing to prevent leaks [8][9][11]. - **Equipment Floor**: This floor houses essential machinery that operates 24/7, causing noise and vibration disturbances. There are also health concerns related to electromagnetic radiation and potential water leaks from aging equipment [13][16]. - **Ground Floor**: The ground floor is prone to pest issues and high noise levels from outside. It also lacks privacy and poses risks from falling objects from higher floors [18][20][22]. Group 3: Conclusion - The article concludes that rather than avoiding the 4th or 14th floors, buyers should be cautious of the top floor, equipment floor, and ground floor due to their numerous drawbacks, which can lead to significant issues in living conditions [24].