Her decision to leave the company proved to be an 'expensive' mistake. [=a mistake that caused her to lose a lot of money]
They live in an 'expensive' neighborhood. [=a neighborhood in which houses, apartments, etc., cost a lot to buy or rent]
an 'expensive' shop [=a shop that sells expensive things]
(..) What about you two? Huh? You guys got any spare change? Help me out? New York's expensive, guys. Come on. Hawthorne. Thank you. Thank you. Come on, asshole (..)2015 TvShow: Mr. Robot Title: eps1.0_hellofriend.mov Season: 1 Episode 1