Flat renting is much cheaper than booking a room in a business class hotel, and much more comfortable and convenient that of a tourist class hotel. «Route buses» cost 7 UAH, but trams & trolleybuses cost only 1.5 UAH. You can find cheap food with good quality in «Puzata Hata» chain eateries. World chains of fast food (McDonald's, KFC) are prevalent as well.