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The group rules, written before the noise sets them for you

Sit down with the list of what can be posted and what gets deleted, decide who's allowed to post, and write the exact text for the group description.

By Yodai · Published September 6, 2026 · Updated October 12, 2026

6 min read

Your group has one single reason to exist, and you already know who you're letting in. But then the first message comes in that has nothing to do with that reason, and that's when it shows whether you had something written down or you're just winging it.

A customer complains about the price in front of everyone else. Another one asks about a business that isn't yours, because someone recommended it to them and they don't know who else to ask. Two customers who already know each other start talking about sports, or their vacation, or anything that has nothing to do with you. None of the three is causing a problem on purpose; the problem shows up when you haven't decided what to do with each case, so you end up deciding on the spot. And on the spot, sometimes you delete it and sometimes you let it slide, depending on the kind of day you're having.

The group doesn't learn from what you say you want to happen. It learns from what you actually did the first time it really happened. That's why the rule gets written before the first real case, not after.

What gets posted, and what gets deleted

Lines like "be polite" or "keep it respectful" don't tell the person enforcing them anything, because they don't point to any specific message. What works is a short, no-frills list: this can be posted, this can't, and this gets deleted the moment it shows up.

The starting point is the group's single reason for existing, the one you already set before adding anyone. Anything that serves that reason stays. Everything else, no matter how reasonable it sounds in the moment, and it almost always sounds reasonable, doesn't stay.

There's one case that's bound to slip through, and it's worth deciding now, with a clear head: the unprompted compliment. A customer writes "you guys did such a great job on my hair" and it feels good to read. The problem comes right after, with another customer's complaint, because if the group allows the good opinions, you can't delete only the bad ones without it being obvious. If you want reviews, ask for them through another channel. In the group, not even the good ones.

Five types of messages, and only one stays exactly as it arrives

Message type	Allowed?	What to do if it shows up
Question about the group's purpose (appointment, hours, product)	Yes	You answer right there, so everyone else can see it
A customer's complaint about their specific situation	No, not in the group	Delete it, and message them separately, in private
Opinion or review, even a good one	No	Delete it too. If you allow one, you can't turn down the next one.
Another business promoting itself	No	Delete it without explanation, the first time
Chat between customers unrelated to the purpose	No, not after the first time	Let it slide once, cut it off the second time

Who can post

There's a second decision, apart from what gets posted: who can post. WhatsApp lets you choose between an open group, where anyone can send a message whenever they want, and a group where only you send announcements and everyone else can only read and reply to you privately. The option is in the group settings, and it takes a minute to turn on.

The deciding factor is size, not how much you trust your people. If the group is small and the purpose sometimes calls for customers to respond to each other, like swapping appointment slots, leave it open and trust the list of rules you already wrote. If the group went from a handful of names you recognize to one where you couldn't say who's who anymore, lock it down: only you send messages, and everyone's questions come to you by DM.

There's no third option of "let's see how it goes." By the time you decide to lock it down late, you've already got weeks of noise piled up, and shutting down a group that's been treated as a free-for-all feels worse than if you'd locked it down from day one. This is a decision you make once, at the start, not one you revisit every time it gets annoying.

The text you put in the description and pin at the top

Marta's Hair Salon announcement group. This is for questions about appointments, hours, and products. Specific complaints are handled better one on one: text me directly at my usual number and I'll look into it before anything else. No promotions from other businesses, no forwarded chain messages, and no reviews either. If you want to leave one, I'll send you the Google link. Anything that doesn't follow this gets deleted without explanation, every time.

The mistake that sets a precedent

The most costly mistake happens when you let the first rule-breaker slide, so you don't come across as too strict with a customer you like. That first uncorrected message is the one the rest of the group copies, and from then on the written list stops meaning anything, because everyone has seen it isn't enforced. You avoid this by applying the rule the same way the first time and the twentieth, with no courtesy warnings in between.

What you'll walk away with

The written list of what's allowed and what gets deleted, ready before you need it.
Decided whether the group stays open or only you send the announcements.
The exact text of the rules, in the group description and pinned at the top of the chat.
The standard for enforcing them from the first case, not the fifth.

Test yourself

Answer before opening each one. If one gives you trouble, go back to the section that explains it.

1. A customer writes in the group that you overcharged them for a service, in front of the other thirty members.

Delete the message from the group and reply to them separately, in private. A complaint about a specific case isn't the group's purpose, and leaving it there invites others to weigh in on something that isn't theirs to comment on.

2. The group has twelve people, and for two weeks you've let two customers chat with each other about their vacation, because it seemed harmless and you didn't want to kill the mood.

Cut it off now, with a reminder of the rule that's already written down, even though it's gone uncorrected for two weeks. The later you apply it, the more everyone else has learned that this kind of use is fine too, and every week that passes makes it harder to walk back.

3. The group went from eight people to forty in two months, and you no longer recognize some of the names on the member list.

Close it so only you can send messages, even if it's been open until now and never caused a problem. The standard for deciding this is size, not whether there have been incidents. With forty people, you can no longer vouch for what everyone writes.

Those rules are useless as long as they're only in your head. You need to put them in the group description, which is what anyone new sees when they join, and pin them at the top of the chat for everyone already in it.

NextThe Four Lines That Say What This Group Is, and What It Isn't