The welcome flow earns more per recipient than anything else you will build. It also gets the least thought, because most stores set one up in an afternoon during launch week and never open it again.
Here is what goes in each email, and why.
Email one: the thing they asked for
Send it immediately. Not an hour later, not in a batch overnight. Somebody just typed their address into a box on your site, which means they are still on your site, and this is the most attention you will ever have from them.
If you promised a discount for signing up, the code goes here. That is the deal they took, and delaying it to build suspense is a good way to be forgotten in a tab.
If you did not promise a discount, do not invent one. A first email that opens with money teaches people that your emails contain money, and from then on the ones that don't get ignored. That is a lesson you cannot unteach cheaply.
What goes in instead is the reason they signed up. What you sell, who it is for, and the one thing about it that is not true of the alternatives. Short. They are not reading an About page, they are deciding whether to keep you.
Email two: the objection you always get
One or two days later.
Every store has a question that comes up in support constantly. Is it going to fit. How long does it last. Is this actually different from the cheap one. Is it going to arrive before Friday.
That question is your second email. Not because it is interesting, but because the person who has not bought yet is stuck on it right now, and the email that unsticks them is worth more than a second discount.
You already know what the question is. It is whatever your customer service answers most often. If you are not sure, go and read the last fifty messages and count.
Email three: proof from someone who is not you
Two or three days after that.
Reviews, a photograph from a real customer, the number of people who have bought, a specific outcome. What matters is that the claim comes from outside the company. Everything in emails one and two was you talking about yourself, which a reader discounts automatically and correctly.
Be specific. "Loved by thousands" is a sentence that has never once changed a mind. One review that names the exact thing the reader is worried about does the work of ten.
Email four: the ask, and then stop
This is where the discount goes if you did not lead with one, and where you say plainly that you would like them to buy.
Then the flow ends.
A welcome series that runs to nine emails is not a welcome series, it is a campaign calendar with a trigger. People who have been in your world for three weeks are not new any more, and continuing to treat them as new means the emails stop matching what they know about you. Four is enough for most stores. Five if there is genuinely a fifth thing to say.
Where most welcome flows go wrong
They open with a discount that was never promised, and quietly teach the list to wait for one.
They talk about the brand for four emails. Founder story, values, sustainability, the workshop. Some of that is good, but not all of it, and not before the reader has any reason to care who you are.
They are the same for everyone. Somebody who signed up from a product page was looking at a product. Somebody who signed up from the footer was not. Klaviyo can see the difference and most flows ignore it, which is a segmentation decision made by accident.
They never end. See above.
Should the first email include a discount?
Only if you promised one at signup. If the popup said ten percent off, the first email delivers ten percent off, immediately, and nothing else competes with it. If you did not promise anything, holding the discount until the fourth email works better: it gives you something to move a reader who did not move on the first three, and it does not train the list to expect a code every time you appear.
How many emails should a welcome flow have?
Four for most stores, five if there is genuinely a fifth thing worth saying. The test is not the count, it is whether each email would make sense arriving on its own. If email six exists because the flow felt short, a reader will feel the same thing you did when you wrote it.
Why this one is worth doing properly
Every other flow in the account fires when someone does something specific. The welcome flow fires when someone decides to pay attention to you at all, which is rarer and does not come back.
It is also the flow that gets built once, at the worst possible time — during launch, by whoever had a spare afternoon, before anyone knew what the common objection would turn out to be. Then it runs for three years without anyone reading it, quietly making the first impression for every new subscriber the business ever gets.
If yours was written before you knew what your customers actually ask, it is worth an hour this week.
