Land has always aroused a lot of financial expectations and hopes of profitability. The potential benefits and the involvement of financial institutions or funds have contributed to the development of urbanization. The tendency has come to a crucial social reality: the land is becoming a financial object before being the support of human activities. The situation comes to a limit when profitable constructions cannot meet the demand for housing of low income households. Willing to support the housing and real estate development, Public Authorities play on the same game and fuel the system.