Email marketing has the highest ROI of any digital marketing channel — and it's not even close. Yet most small businesses we talk to either ignore it completely or run a half-baked monthly newsletter and wonder why nothing happens.
Last quarter, we worked with a DTC e-commerce brand that was spending $500/month on email tools. Within 30 days of taking over their email program, that $500 was generating over $80,000 in attributable revenue. Here's exactly what we did.
Step 1: We rebuilt the welcome flow
Most welcome emails are a single "thanks for subscribing" message. We built a 5-email sequence spread over 14 days. The structure:
- Email 1 (immediately): Welcome + the discount code we promised
- Email 2 (day 2): Brand story — why we exist, who we serve
- Email 3 (day 5): Bestsellers + social proof from real customers
- Email 4 (day 9): Educational content related to the product category
- Email 5 (day 14): Urgency-driven offer with a hard deadline
That single welcome flow accounted for 38% of email revenue in the first month.
Step 2: We segmented the existing list
The brand had 12,000 subscribers being treated as one giant list. We split them into:
- Customers who'd purchased in last 90 days (VIPs)
- Customers who'd purchased once but not in 90+ days (winback)
- Subscribers who'd never bought (still nurturing)
- Engaged non-buyers (high intent, just need a push)
Each segment got different content, different offers, different cadence. Open rates jumped from 18% to 41% almost overnight.
The biggest mistake in email marketing isn't writing bad emails. It's sending the same email to everyone.
Step 3: We added the cart abandonment flow
Their store had no cart abandonment automation running. None. We set up a 3-email sequence triggered when someone added a product but didn't checkout:
- 30 minutes later: "You forgot something" with a product reminder
- 24 hours later: Customer testimonials about the abandoned product
- 48 hours later: A small discount as a final nudge
This single flow recovered $22,000 in revenue in the first month from people who would have otherwise vanished.
Step 4: We launched a campaign calendar
We mapped out 8 themed email campaigns for the month — product launches, behind-the-scenes content, holiday tie-ins, and promotional pushes. Every email had a clear purpose, a single CTA, and a measurable goal.
The numbers
By the end of 30 days:
- Revenue from email: $80,400
- Total email spend: ~$500 (Klaviyo + our setup time)
- ROI: ~1,700%
- Klaviyo's share of total revenue: jumped from 7% to 30%
The kicker: most of this is now automated. The flows run 24/7 without us touching them. The brand will continue making money from them next month, and the month after that, with minimal additional work.
What you can do this week
If you're sitting on an email list that isn't producing revenue, three quick wins:
- Audit your welcome flow. If it's just one email, you're leaving 80% of the revenue on the table.
- Set up cart abandonment if you have an e-commerce store. It's the single highest-ROI thing in email marketing.
- Segment your list by purchase behavior, not just demographics.
Want help auditing your email program? Book a free strategy call — we'll go through your numbers and tell you exactly what's leaving money on the table.