Starter Kit
Groceries With Roommates
Share the boring stuff. Own your own food. Do not track receipts.
Shared kitchens fail in predictable ways. Someone buys olive oil three times and someone else has never bought it. Someone's leftovers go bad in the back of the fridge. Someone eats the last of something and does not say so.
There are three systems that work. Pick one and say it out loud.
Option 1: Split the staples, own everything else
Everyone chips in fifteen dollars a month into one pot. That money buys olive oil, salt, spices, garlic, rice, paper towels, dish soap, and foil. Everything else, you buy your own and it is yours.
Why it works: the shared items are the ones nobody wants to keep buying, and they are cheap enough that nobody feels cheated. The expensive stuff stays personal, so nobody is arguing about whether cheese was shared.
Where it breaks: somebody has to actually go buy the staples. Rotate that job monthly.
Option 2: Cook together twice a week
Two dinners a week are group dinners. One person cooks, everyone splits the cost of that meal, and it rotates. The rest of the week everyone is on their own.
Why it works: cooking for four is barely more work than cooking for one, and it is the cheapest per plate. It also means two nights a week where nobody orders delivery.
Where it breaks: schedules. Pick the two nights in advance and treat them as fixed, or it silently stops happening by week three.
Option 3: Fully separate, shared shelf space
Everyone buys their own everything. You just agree on shelf assignments in the fridge and cabinets so nothing gets lost or eaten by accident.
Why it works: zero coordination cost, zero resentment about money.
Where it breaks: you will buy four bottles of soy sauce between you and each of you will pay full price for small quantities.
What we would pick
Option 1 plus one shared dinner a week. Splitting staples removes the most annoying part of a shared kitchen for about fifteen dollars a month, and one group dinner is enough to make cooking feel social instead of like a chore.
Rules that prevent most fights
Label your leftovers with the date. Not to claim them, to know when to throw them out.
Finish it, replace it. If you take the last of a shared thing, it goes on the list. The list is a note in a shared phone album or a whiteboard, not a group chat where it scrolls away.
Nobody tracks pennies. The moment you are itemizing receipts, the system has already failed. Round numbers, even splits, move on.
Clean the pan you used before you go to bed. This is not about food cost and it is the actual thing that ends roommate relationships.
Shopping together saves real money
Bulk sizes are cheaper per unit and too big for one person. A five pound bag of rice, a big tub of yogurt, a warehouse pack of tortillas. Split with a roommate and you get the bulk price without the waste.
The best version of this is one person taking one trip with a shared list, instead of three people making three trips. Fewer trips also means fewer impulse buys, which is where most of the overspending actually happens.