宁可买4楼、18楼，也不要买的5个楼层，住着不舒服，缺点还多！

Core Viewpoint - The article discusses the current favorable policies in the real estate market that encourage first-time homebuyers to enter the market, while highlighting the importance of various factors such as location, floor level, and layout in the decision-making process [1] Group 1: Unfavorable Floor Types - Industry experts suggest avoiding certain floor types despite common superstitions about specific floors like the 4th and 18th floors, which are often considered unlucky [3] - The five types of floors to avoid include: 1. Ground floor without a private yard 2. Second floor prone to plumbing issues 3. Floors adjacent to street-level shops 4. Top floor without an attic 5. Waistline floor [3] Group 2: Ground Floor Issues - Living on the ground floor without a private yard can lead to poor lighting and ventilation, requiring artificial lighting during the day and potentially causing dampness [6][8] - Ground floor residents may face security concerns due to lower privacy and increased noise from the street [10][11] Group 3: Second Floor Concerns - The second floor is particularly susceptible to plumbing issues, such as sewage backflow, which can create unpleasant living conditions [12] Group 4: Proximity to Commercial Spaces - Floors located above busy street-level shops can be disruptive due to noise and foot traffic, especially if the shops are restaurants, which can also lead to unpleasant odors infiltrating the living space [13] Group 5: Top Floor Drawbacks - Top floors without an attic may have poor insulation, leading to high energy consumption for heating and cooling [14] - These floors are also at risk of water damage during heavy rains, which can compromise interior finishes [15] Group 6: Waistline Floor Challenges - Living on a waistline floor can result in increased maintenance due to debris from higher floors and reduced natural light and ventilation for the units below [16][17]