When we’re residents of a huge building, we are the lucky people. We have possibly great backyard only for ourselves, in where we throw a barbecue. Also, we are not disturbing by any noise from the another apartments, cause our neighbors are far away. But unluckily, possessing a house have also flaws. The most relevant, is fact, that we have to prepare general overhauls every ten years, and we have to pay for it by ourselves. What to try to make it less costly? Do we must to hire a professional workers?