Email campaigns are the emails you send; email flows are the ones that send themselves. A flow is an automated sequence triggered by what a shopper does — signing up, abandoning a cart, making a purchase, going quiet — and once it’s built, it works around the clock without you touching it. For most stores, a well-built set of flows quietly drives a disproportionate share of all email revenue, because the messages land at the exact moment a shopper is most likely to act. This is the complete set of flows worth building, in the order that pays back fastest.
The short version
- Flows are automated; campaigns are one-off sends
- Flows should drive a large share of your email revenue
- The core seven: welcome, abandoned cart, browse, post-purchase, win-back, VIP, sunset
- Each flow needs a trigger, timing, and the right number of emails
- Use discounts deliberately — don’t train buyers to wait for them
Flows vs campaigns
Campaigns (a newsletter, a sale announcement) go out to a segment at a moment you choose. Flows trigger off individual behavior and run automatically, one shopper at a time, forever. The reason flows matter so much is leverage: you build an abandoned-cart sequence once and it recovers sales every day with no further effort, hitting each shopper at their moment of peak intent. Campaigns still have their place for timely news and promotions, but flows are the engine — and for most stores they should drive the majority of email-attributed revenue. Build the flows first, then layer campaigns on top.
Build flows in priority order
- Revenue recovery firstAbandoned cart and welcome — the two flows that pay back fastest, built before anything else.
- Lifecycle nextBrowse abandonment and post-purchase — catch intent and turn first orders into the next one.
- Retention lastWin-back, VIP, and sunset — re-engage the lapsed and reward the loyal.
Flow 1 — Welcome series
Trigger: a new email signup. The welcome series is your first impression and often your first sale. Introduce the brand, set expectations, and — if you offered a signup incentive — deliver it here. A typical sequence runs three to five emails over the first week: welcome and deliver the offer, tell the brand story, show your best or bestselling products, and add social proof. This flow converts well because the subscriber just raised their hand; they’re as interested as they’ll ever be, so don’t waste the moment with a single thin “thanks for subscribing” note.
Flow 2 — Abandoned cart
Trigger: a shopper adds to cart (or reaches checkout) and leaves without buying. This is the revenue workhorse — it recaptures demand you’ve already earned, at the moment the buyer was closest to purchasing. A strong sequence is usually three emails: a prompt reminder within an hour or so (“you left something behind”), a follow-up a day later that addresses objections and adds reassurance (reviews, return policy, free-shipping threshold), and a final nudge. Note the distinction between abandoned checkout (they entered checkout — higher intent) and abandoned cart (they only added to cart); the closer to purchase, the hotter the lead and the faster you should follow up.
Flow 3 — Browse abandonment
Trigger: a known subscriber views products but never adds to cart. Browse abandonment catches intent one step earlier than the cart flow. It’s a gentler nudge — “still thinking about these?” — showing the products they looked at and perhaps related items. Keep it light; the shopper hasn’t committed, so a pushy tone misreads where they are. One or two well-timed emails is plenty, and because it fires on lower intent, it works best without leaning on a discount.
The magic of flows is timing. They reach a shopper at the exact moment they’re most likely to act — automatically, every single day.
Flow 4 — Post-purchase
Trigger: a completed order. The post-purchase flow is where a one-time buyer becomes a repeat customer. Confirm the order, set delivery expectations, then follow up after arrival to ask for a review, offer usage tips or complementary products, and invite them into your loyalty program. This flow does quiet but critical work: it reduces buyer’s remorse, generates the reviews that fuel future conversions, and plants the seed for the next order. It’s the bridge from acquisition into retention marketing, where the real profit lives.
Flow 5 — Win-back / sunset
Trigger: a customer or subscriber has gone quiet for a defined period. The win-back flow tries to reactivate lapsed customers with a reminder of why they liked you, your newest products, and — if it makes sense — an incentive to return. The sunset portion is the counterpart: if someone ignores repeated attempts, stop emailing them. Sending to people who never open hurts your deliverability and drags down every other flow. A clean, engaged list beats a big dead one every time.
Building flows: do this, not that
✓ Do this
- Build abandoned cart and welcome first
- Match timing to intent — faster for hotter leads
- Lead with value and reassurance, not just a code
- Sunset unengaged subscribers to protect deliverability
✕ Avoid this
- Running campaigns while ignoring flows
- Putting a discount in every single email
- A one-email “thanks for subscribing” welcome
- Emailing people who never open forever
Flow 6 — VIP / loyalty
Trigger: a customer crosses a spend or order threshold. Your best customers deserve different treatment, and a VIP flow delivers it — early access, exclusive offers, a thank-you that makes them feel recognized. Rewarding loyalty is far cheaper than acquiring new customers, and VIPs are the people most likely to buy again and refer others. This flow is small in volume but high in value, and it ties directly into a broader loyalty and retention strategy.
When to use discounts in flows
Discounts are tempting to sprinkle everywhere, and that’s exactly the mistake. If every flow leads with a code, you train customers to abandon carts and wait for the email — eroding margin on sales you’d have made anyway. Use incentives surgically: a welcome offer to earn the first purchase, a final abandoned-cart email where it tips a hesitant buyer over, a win-back to reactivate someone genuinely lapsed. Elsewhere, lead with value, reassurance, and reminders. Protecting your margin is part of the job, not an afterthought.
Email + SMS together
SMS complements email for time-sensitive, high-intent moments — an abandoned-checkout nudge, a shipping update, an early-access VIP drop. Used together, with SMS reserved for the moments that genuinely warrant a text, the two channels reinforce each other. Used carelessly, SMS annoys fast and gets opt-outs, so be judicious: text when it adds urgency, email for everything else.
Frequently asked questions
What are the essential email flows every store needs?
Seven core flows: welcome series, abandoned cart, browse abandonment, post-purchase, win-back, VIP/loyalty, and sunset. Build them in priority order — abandoned cart and welcome first, because they pay back fastest.
What’s the difference between abandoned cart and abandoned checkout?
Abandoned cart fires when a shopper adds an item and leaves; abandoned checkout fires when they’ve actually entered the checkout process and stopped. Checkout abandonment is higher intent, so follow up faster and more directly.
How many emails should an abandoned cart flow have?
Three is a solid default: a prompt reminder within about an hour, a follow-up a day later that handles objections and adds reassurance, and a final nudge. Save any discount for that last email, if you use one at all.
When should you offer a discount in a flow?
Surgically. Use incentives for the welcome offer, a final abandoned-cart email, and genuine win-backs — not everywhere. Put a code in every email and you train customers to abandon carts and wait for it, eroding margin on sales you’d have made anyway.
Where to go from here
Flows are the automated backbone of ecommerce lifecycle marketing. They recover the sales your conversion optimization work couldn’t close on the first visit, and they feed directly into retention marketing by turning first orders into repeat revenue. Build them on a foundation of traffic from solid ecommerce SEO and the whole system compounds.
If you want to learn how practitioners build flows that drive real revenue — with the triggers, timing, and copy that actually work — come to SEO Spring Training, five days each April in Chandler, Arizona. No theory, just the plays that work, taught on real accounts and real numbers. When you’re ready to build revenue-driving flows, come learn it live.