If we are owner of a huge house, we are the lucky people. We have possibly great garden only for ourselves, in where we may arrange a barbecue. Also, we are not disturbing by some noise from the other apartments, because our neighbors are distant. But unluckily, owning a house have also flaws. The most relevant, is fact, that we need to prepare serious renovations every ten years, and we have to pay for it by ourselves. What to try to make it less costly? Do we must to employ a professional workers?