If we’re owner of a huge house, we are the lucky ones. We have possibly big garden just for ourselves, in witch we could arrange a barbecue. Beside, we are not disturbing by any noise from the other houses, because our neighbors are distant. But unluckily, possessing a house have also flaws. The most relevant, is fact, that we need to prepare serious overhauls each ten years, and we have to pay for it by ourselves. What to do to make it less costly? Do we need to hire a qualified workers?