For the 2 of us:
Groceries (includes vittles, candy, cooking spices - which we buy in quantity every 18 months or so - cleaning supplies, and bathroom/drugstore/toiletries): $425/Month - too hard to break into sub-categories. I also buy fancy toiletries and cosmetics through an on-line retailer, which costs ~ $150 more per year. [P.S.: Caninelover: I wouldn't call it "anal" to break expenses out further. You simply have a more efficient tracking system than I do
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Liquor store: $200/month for booze, wine, liqueurs, and beer. The beer and hard liquor are for husband's consumption, and he has made a hobby of seeking out good wines under $10 per bottle so has a modest "cellar" of ~100 bottles. We buy box-o-wine to make our weekly sangria or mulled wine (depending on season).
I have the opposite of the alcoholic gene, for alcohol in any quantity gives me a headache. I consume wine in modest quantities on weekends, and love a thimbleful of a fancy cordial or liqueur with dessert. Grand Marnier or Chartreuse = mmmm! However, when I was on my own, my alcohol consumption was nil, and would go back to nil if I were on my own again.
Eating Out: Nil. We don't enjoy it any more. The food is seldom all that good, wine is outrageously expensive, and we cringe at the extra 25% for tax and tip. We will surely spend some serious bucks on eating out when we stay with husband's old friends next month, because they don't do much cooking. But that is counted as a
"social" expense, unavoidable if one is to have friends. Also, I bring my lunch to work and always have.