
Why Email Marketing Is Still the Highest ROI Channel in 2026


If you are using Klaviyo but not seeing consistent revenue from your email marketing, the issue is rarely the platform. It is almost always how your flows are structured.
Many brands set up basic automations and expect results. A welcome email here, an abandoned cart reminder there. Then nothing happens.
The truth is simple. Flows only generate revenue when they are built with intent, timing and psychology in mind.
This guide breaks down the three flows that matter most for revenue and shows you how to make them work properly. No fluff, just practical steps you can apply immediately.
Campaigns come and go. Flows run continuously in the background.
A well built flow works for you every day, capturing leads, recovering lost sales and bringing customers back without constant effort.
If you focus on just three flows and optimise them properly, you can unlock a significant portion of your email revenue.
Those three are:
– Welcome flow
– Abandonment flow
– Retention flow
Let us go deeper into each one.
Your welcome flow is not just a greeting. It is your highest intent opportunity.
When someone subscribes, they are paying attention. If you do not guide them properly, that attention disappears quickly.
Many welcome flows are too short or too generic. A simple “thanks for subscribing” email is not enough.
You need to build trust, create desire and lead the subscriber towards a purchase.
Email 1: Immediate Delivery and Hook
Send this instantly.
– Deliver any promised incentive
– Clearly explain what makes your brand different
– Set expectations for what comes next
Keep it simple and focused.
Email 2: Brand Story and Trust Building
Send after 1 day.
– Share your story
– Highlight your mission or values
– Include social proof such as reviews
People buy from brands they trust.
Email 3: Product Education
Send after 2 days.
– Showcase your best selling products
– Explain benefits, not just features
– Address common objections
Make it easy for the reader to understand why your product is worth buying.
Email 4: Conversion Push
Send after 3 to 4 days.
– Reinforce your offer
– Add urgency if applicable
– Use a strong call to action
This is where many subscribers convert if the previous emails have done their job.
– Personalise using first names and behaviour where possible
– Keep design clean and mobile friendly
– Focus on one clear action per email
A strong welcome flow often generates a large percentage of total email revenue. It is worth getting right.
Most visitors do not buy on their first visit. That is normal.
What matters is how you bring them back.
Abandonment flows target users who showed intent but did not complete a purchase.
Browse Abandonment
Targets users who viewed products but did not add to cart.
Cart Abandonment
Targets users who added items to their cart but did not check out.
Checkout Abandonment
Targets users who started checkout but did not complete it.
Each stage reflects a different level of intent, so your messaging should adjust accordingly.
Email 1: Reminder
Send within 1 to 2 hours.
– Show the exact product left behind
– Keep messaging simple
– Include a direct link back to the cart
No discounts yet. This is just a reminder.
Email 2: Objection Handling
Send after 24 hours.
– Address concerns like shipping, returns or quality
– Include customer reviews
– Reinforce product benefits
Build confidence rather than pushing aggressively.
Email 3: Incentive or Urgency
Send after 48 hours.
– Offer a discount if margin allows
– Highlight limited stock or time sensitivity
– Use clear call to action
This is your final push to recover the sale.
– Sending too many emails too quickly
– Offering discounts too early
– Using generic product images instead of personalised ones
Relevance is key. The more your emails reflect the user’s behaviour, the higher your recovery rate.
Acquiring a customer is expensive. Keeping one is far more profitable.
Retention flows focus on building long term relationships and increasing customer lifetime value.
Post Purchase Flow
Replenishment Flow
Win Back Flow
Each serves a different purpose in keeping your customers engaged.
Email 1: Confirmation and Gratitude
Send immediately.
– Thank the customer
– Reinforce their purchase decision
– Set expectations for delivery
Email 2: Product Education
Send after a few days.
– Show how to use the product
– Share tips for best results
– Reduce the chance of returns
Email 3: Cross Sell or Upsell
Send after 5 to 7 days.
– Recommend related products
– Keep suggestions relevant
– Avoid overwhelming the customer
If you sell consumable products, this is essential.
– Trigger based on estimated product usage time
– Remind customers when they are likely to run out
– Make reordering easy
Timing is everything here.
Not every customer will return on their own.
A win back flow targets inactive customers.
Structure:
– Email 1: “We miss you” message
– Email 2: Highlight new products or updates
– Email 3: Offer incentive to return
Keep it friendly and not overly aggressive.
Setting up flows is only the beginning.
To generate consistent revenue, you need to optimise based on data.
Focus on:
– Open rates to improve subject lines
– Click rates to improve content
– Conversion rates to improve offers and timing
Test one variable at a time so you can clearly see what works.
Not all subscribers are the same.
Segment based on:
– Purchase history
– Engagement level
– Location or preferences
More targeted messaging leads to better results.
Flows should respond to actions, not assumptions.
Examples include:
– Product views
– Time spent on site
– Previous purchases
This makes your emails feel relevant and timely.
Your emails should feel like an extension of your brand.
Avoid sounding overly sales driven. Focus on helping, guiding and building trust.
When implemented correctly, Klaviyo flows can:
– Recover lost revenue from abandoned sessions
– Increase conversion rates from new subscribers
– Boost repeat purchase rate
– Create predictable revenue streams
It is not about sending more emails. It is about sending the right emails at the right time.
Klaviyo is a powerful tool but only when used strategically.
If your flows are not generating revenue, it is time to rethink your approach.
Focus on:
– A structured welcome flow that builds trust
– Abandonment flows that recover lost sales
– Retention flows that maximise customer value
Get these three right and your email marketing will stop feeling like guesswork and start delivering real, measurable results.
If you want flows that do more than just send emails, it is time to take action.
We help ecommerce brands:
– Build high converting Klaviyo flows
– Optimise existing automations
– Turn email into a reliable revenue channel
Get in touch today and let us transform your email marketing into a system that works for you every day.
Thanks for reading,
Myk Baxter
eCommerce & Digital Marketing Expert

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