The sale of air is very relevant, it is that the sale of apartments does not even begin at the stage of the pit, but much earlier — when the process of receiving the construction of documents is still underway. What they hope for? most likely to bribes, and if this cart does not roll, then all the air buyers will remain with it, with air. In order not to be in their place, choose a builder more carefully-best known names that built more than one house.