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13 October 2026 · 6 min read

Abandoned cart and post-purchase email flows for online stores

The short answer

Set up four automatic email flows first: welcome, abandoned cart, post-purchase and win-back. They reach people who already know your brand, so they usually cost less than new ads. Keep each email short and useful, send it at a sensible time after the action, and measure orders from each flow separately.

Why start with flows instead of newsletters?

A flow is a set of emails that sends itself when someone does something, such as joining your list or leaving items in a cart. The reader has just shown interest, so the message is timely.

A newsletter needs fresh work every time. A flow is built once, improved over time, and keeps working in the background.

What are the four flows to build first?

  • Welcome: introduces the brand, sets expectations and may offer help choosing a product
  • Abandoned cart: reminds a shopper about items left behind and answers common doubts
  • Post-purchase: confirms the order, explains delivery and how to use the product, and asks for a review
  • Win-back: reaches past buyers who have gone quiet with a reason to return

What should an abandoned cart email say?

Show the items, make it one click to return to the cart, and answer the doubts that stop people buying: delivery time, returns, payment options and how to reach you.

A short series of two or three emails over a few days is common. A discount is optional; test whether a reminder works on its own before giving margin away.

How do post-purchase emails raise repeat sales?

They keep the customer informed and build trust, which makes a second order more likely. Add care or usage tips, suggest items that go with what they bought, and ask for a review once the product has arrived.

This ties directly to average order value and repeat rate. Our guide to raising average order value shows how bundles and add-ons support the same goal.

How do you measure email properly?

Track each flow on its own: orders, revenue per recipient and unsubscribe rate. Compare against a simple baseline, such as the same period before the flow went live.

Do not count a flow as a success because of opens alone. Opens are an unreliable signal on many devices; orders and revenue are what count.

Frequently asked questions

Which email flow should I build first?

Abandoned cart usually comes first because it reaches people who were close to buying. Add welcome and post-purchase flows next.

Do I need a big email list to start?

No. Flows work from the first subscriber, and they start earning as soon as there is traffic to your store.

Should every abandoned cart email include a discount?

Not necessarily. Test a plain reminder first. Discounts reduce margin, so use them only where they add orders you would not otherwise get.

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