Marketing in construction fields is one of the most important issues in attracting capital for construction projects in terms of investment limitations. Smart real estate sales and trading systems have been used by leading companies. Tim Kosha’s real estate transaction system is interactive, three-dimensional and flexible with all kinds of customer tastes. In fact, this platform provides the best choice for customers in the fastest possible time and saves money and time significantly. In this platform, in addition to choosing the desired property, the user can enter the environment of the selected property and check all the details and interior decoration, even the position of the sun at different times of the day can be observed, and thus with a full view. Make a purchase without visiting the property in person.