Русско-английский словарь пословиц и поговорок
ХОРОШО ДЕШЕВО НЕ БЫВАЕТ
То buy a quality thing you have to pay much money. See Дешево, да гнило; дорого, да мило (Д)
Cf:A bargain is a pinch-purse (Am.). A good bargain is a pick-purse (Am.,Br.). Good things are seldom cheap (Am.)