Most of the conflict that shows up months into living together was actually decided in the first week — by everything you didn't talk about. The fridge politics, the "whose turn is it," the bill that one person always seems to cover. None of it starts as a fight. It starts as an unspoken assumption.
The good news: a single honest conversation while you're still unpacking can prevent almost all of it. Here's the checklist.
1. Agree on how money works — before the first bill lands
Don't wait for the first awkward "so… rent?" moment. In week one, settle: how rent is split, who holds each utility account, how shared groceries and supplies are handled, and how people get paid back. The mechanism matters less than the fact that everyone agreed to it out loud.
2. Divide the invisible work, not just the obvious chores
Everyone remembers to assign "take out the bins." Almost nobody assigns "notice we're out of dish soap and buy more." That second category — the noticing, the remembering, the planning — is the mental load, and it silently lands on one person. Name it. Split it like any other task.
The fairest households aren't the ones that do the most chores. They're the ones where nobody has to be the manager of the chores.
3. Put the important documents somewhere shared
The lease. The inventory photos from move-in day. The landlord's number. The Wi-Fi password. The boiler manual. Right now these are scattered across someone's email, a couple of screenshots, and the group chat. In six months, when you need the lease urgently, that's a problem. Pick one shared place and put them there today.
4. Set the house rhythm, not just rules
Rules are negative ("don't leave dishes overnight"). Rhythms are positive and recurring — a weekly reset, a shared shop, a monthly bills check. A rhythm runs itself once it's set, while rules need someone to enforce them. Pick a couple of recurring routines and let them carry the household.
5. Decide how you'll handle disagreements
You will disagree about something. The households that survive it are the ones that agreed, in advance and calmly, on how they'd raise issues — a quick chat, not a passive-aggressive note on the fridge. Agreeing on how to disagree while everyone's still in a good mood is one of the most underrated things you can do.
The first-week checklist, in one place
- Money: rent split agreed, bill accounts assigned, payback method set.
- Tasks: chores divided, mental-load work named, repeats set.
- Documents: lease, inventory, codes and manuals in one shared spot.
- Rhythm: at least one weekly and one monthly recurring routine.
- Conflict: agreed way to raise issues before they grow.
Make the checklist live somewhere real
A checklist you discuss once and forget isn't structure — it's a nice memory. The trick is putting these first-week agreements somewhere the whole household actually sees them: the shared expenses, the assigned tasks, the documents, the recurring routines. Whether that's a shared doc or a household app like Crew built for exactly this, what matters is that the agreement lives somewhere real — not just in everyone's good intentions.
Sort it in week one, and the next year of living together largely takes care of itself.
