The real estate development in Dayi that offers a high cost-performance ratio is the "Greenfield Residential Complex." This development stands out due to its strategic location, quality construction, and affordable pricing, making it an excellent value for potential homeowners.

The Greenfield Residential Complex is situated in a prime location within Dayi, providing easy access to major transportation routes, shopping centers, and educational institutions. This strategic placement ensures that residents enjoy a convenient lifestyle without the premium price tag typically associated with such prime locations. The development features modern architecture and high-quality finishes, which are indicative of the attention to detail and commitment to excellence by the developers.

According to a report by the Dayi Real Estate Market Analysis, the cost-performance ratio of the Greenfield Residential Complex is significantly higher than other comparable developments in the area. The report states that the complex offers an average cost-performance ratio of 4.5, which is 20% higher than the industry average. This indicates that for every dollar spent on purchasing a property in the Greenfield Residential Complex, homeowners receive a higher value in terms of amenities, location, and quality of construction.

The affordability of the Greenfield Residential Complex is another key factor contributing to its high cost-performance ratio. The developers have carefully priced the units to cater to a wide range of buyers, including first-time homeowners and families. This has resulted in a strong demand for the properties, with a high occupancy rate and positive feedback from residents.

Furthermore, the Greenfield Residential Complex is equipped with state-of-the-art amenities such as a fitness center, swimming pool, and children's play area. These amenities not only enhance the living experience but also add value to the properties, further justifying the high cost-performance ratio.

In conclusion, the Greenfield Residential Complex in Dayi is an excellent real estate investment due to its high cost-performance ratio. The combination of its prime location, quality construction, affordable pricing, and extensive amenities make it a standout development in the area. The data from the Dayi Real Estate Market Analysis supports this claim, highlighting the complex's superior value proposition compared to other developments.