Flows vs campaigns: why flows come first
An email flow is an automated sequence triggered by something a person does, joins the list, abandons a cart, buys. A campaign is a one-off send you write and schedule. Both have jobs, but flows come first for a reason: they fire at the exact behavioral moment that predicts buying, they run around the clock without anyone remembering them, and once built they compound with every new visitor.
The economics stack in their favor too. Baymard’s research puts cart abandonment around seven in ten shoppers, money that walked to the door and stopped. Flows are the mechanism that goes and gets some of it back.
The first three: welcome, abandoned cart, browse abandonment
- 1. Welcome flow. Triggered by a signup. Three or so emails: deliver whatever was promised at signup, tell the story only you can tell, show bestsellers with proof. New subscribers are at peak attention, this flow usually earns more per send than anything else you will ever build.
- 2. Abandoned cart. Triggered by a cart left behind. First email within a couple of hours (a helpful nudge, not a plea), a second the next day adding proof or answering objections, a third with urgency or an incentive if your margins allow, and hold the discount until then, or you are training discount-waiters.
- 3. Browse abandonment. Triggered by someone viewing products without carting. Lighter touch: “still looking at this?” with the item, alternatives and a review. Lower volume than cart recovery, almost free once built.
The money-keepers: post-purchase, win-back, replenishment
- 4. Post-purchase. Triggered by an order. Confirm warmly, set delivery expectations, help them use the thing well, then ask for a review once it has arrived and delighted. Buyers are most likely to buy again soon after buying, a considered cross-sell here beats any cold campaign.
- 5. Win-back. Triggered by a customer going quiet past your typical repurchase window. “We miss you” with what is new, then an incentive if silence continues. Reactivating a past customer is consistently cheaper than buying a new one.
- 6. Replenishment / back-in-stock. For consumables, a reminder timed to when the product runs out; for everything else, an automatic alert when a wanted item returns. The easiest emails you will ever send, because the recipient literally asked.
The seventh: treat your best customers like they matter
7. VIP flow. Triggered by crossing a spend or order-count threshold. Early access, genuine thanks, occasionally something free. Your top slice of customers drives an outsized share of revenue, acknowledging that is cheap, and its absence is noticed.
Every flow answers a moment: just joined, nearly bought, just bought, gone quiet, ran out, came back, spent a lot. If an email idea does not map to a moment, it is a campaign, not a flow.
Two craft notes that apply to all seven. Write like a human (the store’s owner, not its legal department) because inboxes are personal space. And segment where it changes the message: first-time versus repeat buyers, at minimum. Personalization beyond that helps, but the seven moments matter more than any clever audience slicing.
Build order, measurement, and when to stop adding
Build in revenue order: abandoned cart, welcome, post-purchase, those three capture most of the value. Add browse, win-back, replenishment and VIP as volume justifies. Measure flows on revenue per recipient and their share of store revenue, not open rates; a flow that opens brilliantly and sells nothing is literature.
And know when to stop: if your list is small and traffic is thin, more flows will not conjure demand, spend that effort on traffic and conversion first. Email multiplies visitors; it does not create them. More flows also means more inbox pressure, and unsubscribes are how shoppers grade greed.
If you would rather have the whole system built by people who do it weekly (flows, copy, segmentation and honest revenue reporting) that is our email marketing service, and our notes on choosing a Klaviyo agency cover what good looks like.
Frequently asked questions
What are email flows in ecommerce?
Automated email sequences triggered by customer behavior, signing up, abandoning a cart, purchasing, going quiet. Unlike one-off campaigns, flows send themselves at the exact moment the behavior happens, which is why they typically out-earn campaigns per email sent.
Which email flow should I build first?
Abandoned cart, then welcome, then post-purchase. Cart recovery targets people who nearly paid, the welcome flow catches subscribers at peak attention, and post-purchase drives reviews and repeat orders. Those three capture most of the revenue available before the others are worth building.
How many emails should an abandoned cart flow have?
Two to four. A prompt reminder within a couple of hours, a next-day email adding proof or answering objections, and optionally a final email with urgency or an incentive. Save any discount for the last email, leading with it trains shoppers to abandon carts on purpose.
Do email flows work for small stores?
Yes, arguably better, relative to effort, than for anyone else, because they run unattended while you do everything else. The caveat is volume: flows multiply existing traffic and subscribers. If very few people visit, fix traffic and conversion first, then let flows compound it.
How should I measure email flow performance?
Revenue per recipient and the flow’s share of total store revenue, with deliverability watched in the background. Open and click rates help diagnose subject lines and content, but they are means, not ends, a flow is working when it reliably produces orders.