OK, right now Im renting a house for $1800. I currently have 3 other roommates, my cousin, my sister and her bf. The rent is split 3 ways, so my sister and her bf pay $550 and so does my cousin, I pay $700 since I have the master bedroom. My cousin thinks I should lower her rent and have my sister pay more rent since there are two persons occupying one room. My sister has low income and barely makes it on her own. Her loser BF doesn't work, he basically is the house keeper since he stays home all day and does nothing, I have him play house keeper, I figure its the least he can do. Should I have my sister pay more rent than my cousin? Should I split the rent 4 ways instead of 3 ways and tell her BF to get a job, even if he does get a job it would probably be something minimum wage. What should I do in this case? I want to be fair and don't want anyone to feel that Im taking advantage of them.