Living with roommates can save a lot of money. Rent gets divided. Internet is shared. Someone buys groceries. Another person picks up cleaning supplies. One roommate pays the electric bill while someone else handles the streaming subscriptions. At first, keeping track of it all seems easy. Then a few months pass. “Did I pay you for the electric bill?” “Whose turn was it to buy paper towels?” “Why am I paying a third of this when I wasn’t here that month?” These aren’t necessarily big financial problems. They’re small accounting problems that become personal because nobody has a clear record. The good news is that managing shared household expenses doesn’t require a complicated budgeting system. A few simple habits can eliminate most of the confusion. Decide What Is Actually a Shared Expense Start by defining what belongs to the household. Some expenses are obvious: Others aren’t so clear. Should groceries be shared? What about streaming subscriptions? Furniture? Takeout? A new coffee machine? Every household will answer these questions differently. The important thing is agreeing on the rules before someone spends the money. A useful rule is that an expense should only be considered shared when everyone affected by it has agreed that it’s shared. Equal Isn’t Always the Same as Fair Three roommates don’t necessarily need to divide every bill exactly three ways. Imagine an apartment with one large bedroom with a private bathroom and two smaller bedrooms. Dividing the rent equally might not feel reasonable.…