Ecommerce Email Flows: The 8 Flows Every Brand Needs (And Why Most Are Missing 6)

You've got Klaviyo set up. Abandoned cart is running. Welcome series is live. You're doing the right things.

So why is email still sitting at 10% of revenue?

It's not because your flows are broken. It's because you're missing most of them. The average ecommerce brand runs 2 or 3 flows and wonders why email underperforms. The full stack of 8 flows is what actually drives 35 to 40% of revenue, automatically, without touching a campaign.

Ecommerce email flows are the closest thing to passive income in marketing. Set them up right once and they convert forever. But "set it and forget it" only works if you set up the right ones.

Why Your Current Flows Are Leaving Money on the Table

Most brands treat email the same way. They set up an abandoned cart flow the day they open Klaviyo. They add a welcome series when someone tells them to. They call it done.

The problem isn't the flows they have. It's the ones they're missing.

Browse abandonment typically drives more revenue than cart abandonment for most stores, because far more people browse than add to cart. If you're only catching people at the cart stage, you're recovering maybe 20% of the revenue you could be. The other 80% slipped through while they were still thinking.

Post-purchase is another one that collects dust. Brands spend everything acquiring a customer and then go quiet the moment the order ships. That customer is at peak trust and peak interest in your brand. Not following up with a structured post-purchase sequence is one of the most expensive habits in ecommerce.

And winback? Most brands don't have one at all. They let dormant customers sit in their list for years, dragging down deliverability, costing money on their Klaviyo bill, and never converting.

The gap between running 2 to 3 flows and running the full 8 isn't marginal. It's the difference between email contributing 10% of revenue and contributing 35% or more.

The 8 Ecommerce Email Flows Every Brand Needs (Prioritised)

Here's the full stack, in the order you should build it.

1. Welcome series. Your highest-leverage flow. Someone just handed you their email address. That's intent. A welcome series converts new subscribers into first-time buyers through 3 to 5 emails that introduce your brand, address the most common hesitations, and close with a time-limited offer. Klaviyo welcome flow performance benchmarks are consistently the strongest in any account that builds it properly.

2. Abandoned cart. Everyone has one. Most do it wrong. One email isn't a flow. The brands that win send three: one within an hour, one at 24 hours that addresses the most likely objection, and one at 72 hours that creates urgency. If your sequence is a single reminder, you're recovering a fraction of what you could be.

3. Browse abandonment. This is the one most brands skip, and it's often the biggest revenue opportunity. Someone viewed a product page and left. No add to cart required. Klaviyo abandoned cart gets all the attention, but browse abandonment runs on pure volume. Even a 1 to 2% conversion rate on browse abandoners adds meaningful revenue when thousands of people visit your store each month.

4. Post-purchase. The LTV multiplier. A well-built post-purchase sequence thanks the customer, sets expectations for the order, asks for a review at the right moment, cross-sells related products, and starts building the habit of repeat purchase. Brands that skip this are building a leaky bucket. They acquire customers and immediately stop marketing to them at the moment when those customers are most engaged.

5. Winback. Customers who haven't purchased in 90 to 180 days need a specific sequence to re-engage them. Not a discount blast. A proper winback flow acknowledges the gap, reminds them why they bought before, and gives them a reason to come back. Done right, this turns churned customers into second-time buyers without touching your acquisition budget.

6. Sunset. The least exciting flow is one of the most important for deliverability. A sunset flow identifies subscribers who haven't engaged in 6 to 12 months and either re-engages them or removes them. List health directly affects inbox placement. If 30% of your list hasn't opened an email in a year, your deliverability suffers and every campaign gets weaker. A sunset flow keeps your list clean automatically.

7. VIP and loyalty. Your top 10% of customers drive a disproportionate share of revenue. A VIP flow identifies them when they hit a purchase or spend threshold and treats them differently: early access, exclusive offers, personalised messages. This isn't just good for LTV. It's the kind of experience that turns customers into brand advocates.

8. Back-in-stock. If you have products that sell out, you're leaving money on the table every time you restock without notifying the people who wanted that product. Back-in-stock flows are triggered the moment inventory is restored. High purchase intent, low competition for attention, and consistently one of the best-converting flows in any account.

How to Build Each Flow That Converts

The structure matters as much as the sequence.

Every flow needs three things: a trigger that fires at the right moment, copy that matches where the customer is in their thinking, and a clear next action.

Welcome series: Trigger on list subscription. Email 1 delivers the lead magnet or discount you promised and introduces the brand story briefly. Email 2 (Day 2) addresses the most common objection to buying. Email 3 (Day 4) adds social proof. Email 4 (Day 7) drives urgency on the offer. Each email has one job. Not five.

Abandoned cart: Trigger 1 hour after cart abandonment. Email 1 is a simple reminder with the product image and a clear CTA. Email 2 (24 hours) handles the most likely objection for your product category. Email 3 (72 hours) introduces urgency through scarcity or expiry. The subject lines should feel human, not automated.

Browse abandonment: Trigger 4 to 6 hours after the last product view. Keep it simple: one email, the product they viewed, a few words about what makes it worth coming back for. A second email at 24 hours works well for higher-consideration categories.

Post-purchase: Build this as a series, not a single thank-you email. Week 1 covers order confirmation and delivery update. Week 2 asks for a review when the product has been received. Week 3 to 4 cross-sells based on what they purchased. Month 2 is where you introduce a replenishment prompt if the product has a natural replacement cycle.

Winback: Start with re-engagement before discounting. Email 1 acknowledges the gap. Email 2 reminds them what they liked. Email 3 offers an incentive. If they don't engage after three emails, add them to the sunset flow.

Sunset: Trigger after 180 days of no engagement. Two to three emails: a "we've noticed you've gone quiet" email, a "we'd love to keep you but no pressure" email with a clear re-subscribe option, and then an automatic suppression if there's no response. This isn't losing subscribers. It's protecting deliverability for the subscribers who matter.

VIP and loyalty: Set a trigger based on purchase frequency or cumulative spend that makes sense for your AOV. For most brands, that's a third purchase or $500 in spend. The tone shifts here. These aren't customers you're trying to convert. These are customers you're trying to make feel known.

Back-in-stock: Configure inventory trigger in Klaviyo. One email, immediate send. The copy is simple: the product is back, here's the link. Don't overthink it. The intent is already there.

The Segmentation That Makes Flows Work Harder

Flows without segmentation are like sending the same ad to everyone. They work, but they underperform.

The four segments that matter most for email marketing for ecommerce:

Engaged vs unengaged subscribers. Don't send every flow to your entire list. Send welcome flows to new subscribers, winback flows to inactive ones. Mixing these audiences hurts deliverability and conversion.

First-time buyers vs repeat buyers. Your post-purchase flow for someone buying for the first time should read differently from someone buying for the fourth. First-timers need reassurance. Repeat buyers need recognition.

High AOV vs low AOV. Customers who spend significantly above your average AOV respond well to VIP treatment earlier. Don't wait for a fifth purchase to treat someone as a high-value customer if they dropped twice your average AOV on their first order.

Category affinity. If you have multiple product categories, segment post-purchase and cross-sell flows by what they actually bought. Recommending skincare to someone who bought homewares converts poorly. Recommending complementary skincare products to someone who already bought skincare converts well.

Klaviyo flows built on these four segments consistently outperform unegmented flows by a wide margin across every account we work on through the Retention Engine.

How to Measure Flow Performance (What to Optimise)

Most brands check open rates and call it reporting. That's the wrong metric to start with.

The metrics that actually matter, by flow:

Revenue per recipient (RPR). The single most important flow metric. Divide total revenue attributed to a flow by the number of recipients who entered it. This normalises for list size and tells you the real value of the flow. A flow with a 40% open rate and low RPR is doing vanity metrics, not revenue.

Conversion rate by email. Not for the overall flow. For each email within it. The drop-off from Email 1 to Email 2 tells you whether the sequence is creating enough interest to pull people through. A sharp drop at Email 2 usually means the first email didn't do its job.

Flow entry rate. How many eligible people are actually entering the flow? If your browse abandonment flow has a 0.1% entry rate, check your trigger configuration before optimising the copy.

Click-to-open rate (CTOR). If open rates are high but clicks are low, the subject line is doing its job but the body copy or CTA isn't. If opens are low, the subject line is the problem. These are different problems with different fixes.

Unsubscribe rate by email. A spike in unsubscribes at a specific email in the sequence usually signals that the tone shifted badly or the cadence is too aggressive at that point. Fix the tone before adding another touchpoint.

For established flows, review performance quarterly. The copy that works in March doesn't always work in September. Seasonal behaviour changes, your product catalogue changes, and your audience composition changes as you grow. A review every 90 days prevents slow decay from going unnoticed.

If you want to see how a full flow stack performs for brands at different revenue stages, take a look at our case studies.

What Comes Next

If you're running 2 or 3 flows, build the full 8 in priority order. Welcome series first if you don't have one. Browse abandonment second. Post-purchase third. Then winback, sunset, VIP, and back-in-stock.

You don't need to build them all at once. Build the next one, get it live, measure it for 30 days, then build the next. A properly built flow takes 2 to 4 hours. The revenue it drives runs indefinitely.

If you want help mapping out the full flow stack for your store and figuring out which ones to prioritise based on your actual data, our team works through this as part of every Retention Engine engagement.

Or if you'd rather start with a conversation about where your email is currently sitting and what the opportunity looks like, book a call here. No pitch, just a look at what's actually happening and what it would take to fix it.