There is a widespread saying: "The poor don't buy a second floor, and the rich don't buy the 18th floor." While it might sound like a simple proverb, this saying carries deeper cultural and practical meanings that continue to influence housing decisions today.

Why do many low-income families avoid homes with a second floor? The answer lies primarily in financial capability and lifestyle practicality. For many poor households, building or buying a two-story house involves additional costs—not only for construction but also for maintenance, utilities, and daily living. A single-story home is often more affordable and easier to manage, especially for elderly family members or young children. Moreover, in many rural or suburban areas, the traditional preference for ground-level living remains strong, as it offers easier access and less risk.

Conversely, why do some affluent people hesitate to choose the 18th floor in apartment buildings? This is closely tied to cultural superstitions and beliefs. In several East Asian cultures, including Vietnam, the number 18 is often associated with unfavorable luck or is simply avoided because of linguistic or numerological reasons. Additionally, the 18th floor can sometimes be less desirable due to practical issues such as wind exposure, elevator traffic, or emergency evacuation concerns. Wealthy buyers, who typically have more options, often prefer floors that balance convenience, comfort, and positive cultural symbolism.

Beyond these general trends, real estate experts point out that floor preferences are also shaped by market forces, urban planning, and personal taste. For example, middle floors in tall buildings tend to attract more buyers because they offer a compromise between better views and easier access.

In summary, the saying reflects a mix of economic realities, cultural nuances, and lifestyle preferences. The decision of which floor to live on involves more than just price—it touches on beliefs, family needs, and practical living conditions.