Case Study: How Klaviyo Flows Quietly Became a Revenue Engine

Quick Overview

We set up a full lifecycle flow system in Klaviyo for a growing e-com brand—and the results were undeniable. Over $38K in flow-attributed revenue in just 30 days. No new campaigns. No added ad spend. Just automation doing exactly what it should.

This case study breaks down how the system was built, which flows actually delivered, and what other brands can learn from it.

About the Brand

The client is a mid-sized online retailer with a diverse product mix—everything from evergreen staples to limited seasonal releases. They were relying heavily on manual emails and discount campaigns to drive sales.

They came to us to make email work harder. We delivered that by building a complete flow strategy that now handles a massive chunk of their revenue.

The Problem

Campaigns were inconsistent.

Lifecycle gaps were leaking revenue.

There was no post-purchase system.

Too much was manual. Nothing was optimized.

They needed a system that could run itself and close the gaps.

What We Did

We built 9 conversion-focused flows from scratch, each with a clear role and behavior-based trigger:

  • SMS Welcome Series
  • Email Welcome Series
  • Review Request
  • Customer Thank You (New vs. Returning)
  • Customer Winback
  • Price Drop Notification
  • Browse Abandonment
  • Abandoned Search
  • Abandoned Cart Reminder (Email + SMS)

Each one was built to do a job—no filler, no bloat.

Why Flows?

Because campaigns come and go.

Flows sell while you sleep.

The right flows = repeat sales, higher AOV, better retention, and more efficient ad spend.

The Results

Revenue: +$38,900 (flow-attributed, 30 days)

Top Flow Revenue Share: 62% came from just 3 flows

Average Open Rate: 68%

Average Click Rate: 14%

Total Sends: 100K+

Top Performing Flows

1. Abandoned Cart Reminder

🔥 Revenue: $6,000+

450+ orders. Email + SMS combo. Triggered 1 hour post-abandonment with product previews and urgency copy.

2. Email Welcome Series

📬 Revenue: $3,200

The first-time buyer discount delivered fast. 3-part flow. Strong mobile design. 250+ orders.

3. Price Drop Notification

💰 Revenue: $4,600

Triggered only if a product was viewed and later discounted. Highest open and click-through rates of any flow.

What the Flows Did That Campaigns Couldn’t

  • Captured intent when it was hot
  • Closed loops on abandoned sessions
  • Turned cold traffic into customers
  • Boosted retention with no extra effort

Even review requests helped re-engage and quietly drive reorders.

Where Things Missed

Not everything hit. The Abandoned Search flow underperformed—it didn’t show what users had searched or why it mattered. The Thank You flow had great vibes but no second purchase driver.

Lesson: Flows without a clear next step leave money on the table.

What We Learned

Automation Wins

This system didn’t just bump sales—it replaced manual work.

Behavior Triggers Are King

Right message + right time = more orders.

Layering Flows Is Where the Magic Happens

Flows didn’t operate in silos—they reinforced each other.

The Client’s Reaction?

They loved it. Fewer campaigns to manage. More predictable revenue. A system they can trust to scale.

Should You Do This?

Yes—if you’re running a Shopify store and feel like your email list isn’t doing enough.

Yes—if campaigns are burning you out.

Yes—if you want a scalable foundation for growth.

This strategy works for:

  • Stores with high traffic but low conversion
  • Brands launching new products regularly
  • Teams without a full-time retention marketer
  • Any brand that wants compounding returns from email

Tips to Get the Most Out of Klaviyo Flows

  • Start with 3: Welcome, Cart Abandon, Winback
  • Use SMS where it counts
  • Track revenue per step—not just opens
  • Rewrite subject lines every 90 days
  • Let flows run—then optimize with real data

Final Thoughts

This wasn’t a campaign win. It was a system win. We built the flows once, and they now generate revenue every single day.

Bottom line: flows should be your highest-performing “employee.” They don’t take days off. They just convert.

Want this kind of setup in your Klaviyo account? Let’s talk.

We’ll map the flows, write the copy, build the logic, and tie it all to revenue—so your email system runs itself.

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