We use a joint account and joint credit cards for most things. We each take a $250 monthly allowance to personal accounts. Most of our personal purchases still come from the joint account but every once in awhile you want something big without running it past the other person or you want to buy a gift for them and need the privacy. We budget and pay off our credit cards every week. This arrangement works well for us.…
Not sure how it would work with a couple that tends to spend more each month or a situation where one has an expensive hobby and the other doesn't.