
Start a change freeze around Monday 9 November and keep it until things settle after Cyber Monday. Lock down suppliers, systems, product data, packaging, warehouse layout and customer-facing policies, and only allow changes that fix something broken or can be undone quickly. Park every other idea on a post-peak list for January.
A theatre doesn't rewrite the script in the week before opening night.
By then, the cast know their lines, the crew know their cues, and the set has been tested. A last-minute rewrite might be better in theory, but it also means everyone is learning something new, in front of a full house, with no time to fix mistakes. So the director makes a call: the show is the show now. Any tweaks wait until after the curtain falls.
Founders often do the opposite in the run-up to Black Friday. The sale is close, the pressure is high, and every small improvement looks like an opportunity. A better box. A new app that promises faster checkout. A tidier warehouse layout. A product launch that would be perfect timing.
Each idea makes sense on its own. Together, they're how a well-prepared business arrives at peak with a dozen untested changes and no idea which one is about to cause a problem.
A change freeze is the fix. It's simple, a bit boring, and one of the best things you can do for your peak.

A change freeze is a period in which you deliberately stop making changes to the things that keep your orders moving. You're not stopping work. You're protecting the set-up you've already prepared and tested.
It matters for four reasons:
If you're building in public, there's another reason. Your audience will see what you do. A smooth peak is great content, and a visible mistake from a last-minute change is hard to undo.
Must-Do Action:
Pick a freeze date now and tell everyone who touches your operation. A freeze nobody knows about isn't a freeze.
Black Friday is on Friday 27 November, and Cyber Monday follows on Monday 30 November. We'd suggest starting your freeze around Monday 9 November, which gives you about two and a half weeks, and keeping it until the dust settles after Cyber Monday.
If that feels too early, aim for the last two weeks at the very least. The closer you get to the sale, the fewer changes are worth the risk. After peak, you can lift the freeze and start improving again.
If you're reading this and your freeze should already have started, don't worry. Start it today and apply the rules below from now on.
Here's where the risk usually sits.
A freeze isn't a ban on everything. Some changes are fine, or even necessary:
The test is whether leaving it alone would hurt you more than changing it.

Some changes will always feel urgent. Rather than arguing about each one, use five questions:
If the answer to the first question is no, the change waits. If the answer to the third is no, the bar is much higher.
Worth-Trying Tactics:
Pick one person to approve exceptions, and keep a short written log. When everything is urgent, a single decision-maker stops the freeze quietly dissolving.
Your freeze and your logistics partner's need to line up.
Your freeze covers your rota, your space, your supplies and your processes.
The freeze only works if the important things are done first. Before 9 November, make sure you've:
his matches weeks three nd four of our six-week Black Friday countdown.
The urge to improve things doesn't go away during a freeze, and it shouldn't. Keep a "post-peak list" where you write down every idea: the layout tweak, the app you want to try, the packaging upgrade. Note why it matters and what you'd need to do.
It gives you somewhere to put the idea without acting on it, and by January you'll have a ready-made list of improvements, with real peak experience to help you rank them.
If your peak goes well, very little will happen. Orders come in, they're picked, packed and shipped, and nobody has to fix anything.
That calm doesn't come from last-minute brilliance. It comes from deciding, weeks earlier, that you'll protect what's working. A freeze is a quiet kind of discipline, and for most founders it's one of the cheapest ways to make peak safer.

Four steps to protect the set-up you have already tested, from now until after Cyber Monday.
Aim for around Monday 9 November and hold it until things settle after Cyber Monday. Tell everyone who touches your operation.
Add new products, fix product data, receive packaging, run a full test order and brief your logistics partner before the freeze starts.
Only change what is broken or can be undone quickly. Pick one person to approve exceptions and keep a short written log.
Write down every improvement idea and why it matters, then rank them in January with real peak experience.