brian, i own 4 three families in mass...what city are these in? ...from prices and rents it sounds like maybe Worcester or Fall River / New Bedford?...at $2700 income per month or $900 per unit, I would definately want to be in this for $135K or less depending on work needed...
other things to consider, starting in importance... (1) how is the immediate area(doesnt have to be top areas but cant be war zones or you'll end up w/ worst of worst, even those cities mentioned above have decent working class neighborhoods left)... (2) is it deleaded, w/ 3 bedroom units you will get calls mostly from ppl w. kids, learn lead laws if you dont know em already (3) utilities make sure tenants pay own utilities especially heat or they'll take you to the cleaners (4) condition, make sure its clean, make sure hallways are clean and paint everything, shine up hardwood floors if they have them, those houses usually have them...(5) water and sewer, your estimates seem low, i would be doubling that #...my water and sewer bills are through the roof lately...