It's bad to create unpleasant living conditions for your roommates.
Jeff just rented an expensive mansion with two roommates.
Jeff wanted to save money.
Jeff unplugs electronics whenever he isn't using them anymore.
Jeff doesn't flush the toilet in order to save money on their water bill.
Jeff's roommates save a lot of money on their electric bill and can stay in the mansion.
Jeff's roommates have to smell his feces and urine every time they walk past the bathroom.