Apart from the location factor, the quality of the project is important, the credibility of the developer and facilities of the real estate property is what the investor should pay attention to. A great real estate property must have the facilities that meet the needs and lifestyle of the customers, such as security systems, fitting environment, etc. It is very common to see many real estate developers today, especially condominiums emphasizing the common area in advertisements and public relations, including swimming pools, library, fitness, green space, in order to attract customers and investors.