['PRO: Save Money on Rent and Utilities. A big advantage of having a roommate is the ability to split the cost of rent and utilities. ... ', 'CON: They May Miss Payments. ... ', 'PRO: They Help You Clean. ... ', 'CON: They Help Make a Mess. ... ', 'PRO: Built-in Friends. ... ', 'CON: Built-in Enemies. ... ', 'PRO: Shared Furnishings. ... ', 'CON: Less Privacy.']