They tried in vain to save enough money to buy a house and so finally they rented one. (*) without money (*) without trial (*) without success (*) without work
This is a companion discussion topic for the original entry at https://english.best/questions/23503,they-tried-uin-vainu-to-save-enough-money-to-buy-a-house-and-so-finally-they-rented-one/