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How to keep control of shared expenses inside marriage?
JoeTaxpayer's answer mentions using a third "house" account. In my comment on his answer, I mentioned that you could simply use a bookkeeping account to track this instead of the overhead of an extra real bank account. Here's the detail of what I think will work for you. If you use a tool like gnucash (probably also possible in quicken, or if you use paper tracking, etc), create an account called "Shared Expenses". Create two sub accounts under that called "his" and "hers". (I'm assuming you'll have your other accounts tracked in the software as well.) I haven't fully tested this approach, so you may have to tweak it a little bit to get exactly what you want. When she pays the rent, record two transactions: When you pay the electric bill, record two transactions: Then you can see at a glance whether the balances on "his" and "hers" match.