Question: what are the advantages and disadvantages of having a roommate?
Answer: Pro: Saving money. This is pretty much the main reason people consider a roommate in the first place. ... 
Con: Losing out on privacy. If privacy is something you need in life, a roommate might drive you crazy. ... 
Pro: Lifelong friend potential. ... 
Con: Schedule conflicts. ... 
Pro: An extra set of hands. ... 
Con: Sharing everything.