( NAmE , informal ) if you get more, better, etc. bang for your buck , you get better value for the money you spend or the effort you put in to sth
BANG FOR YOUR BUCK
Meaning of BANG FOR YOUR BUCK in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005