Splitting bills with roommates doesn't have to be difficult

If you've lived with someone else for any period of time, you know what a pain it can be to track who still owes their part of the cable bill, what's left on rent and who has or hasn't paid for groceries in three weeks. I've seen Excel sheets, whiteboards, bulletin boards and yes, even a chalkboard used to keep track of shared bills. These work, to some extent, but there's an easier way to track shared living expenses -- BillsAreIn.com.