Glossary
Term | Definition |
---|---|
ROI (Return on Investment) | The ratio of net profit to the cost of investment. |
Open Rate | The percentage of recipients who open an email. |
Segmentation | Dividing your email list into specific groups based on customer data. |
Cart Abandonment | When a customer adds items to their cart but doesn’t complete the purchase. |
CTR (Click-Through Rate) | The ratio of users who click on a link in an email to the number of total users who view the email. |
Automation | Pre-scheduled or behavior-triggered emails sent automatically. |
Table of contents
Introduction

Email marketing might not be the trendiest channel, but it remains the most cost-effective, consistent, and conversion-driven tool in the digital marketer’s arsenal. With ad costs soaring and organic reach plummeting, email marketing delivers where other platforms fall short.
If you’re running an eCommerce brand and wondering where to allocate budget and effort in 2025, this guide breaks down why email is still your best bet—and how to use it to maximize growth and retention.
1. Unmatched ROI (Return on Investment)
Email marketing boasts an industry-leading ROI—generating an average of $38 to $45 for every $1 spent. That’s an ROI most marketers only dream about in paid social or influencer marketing.
Why the ROI is So High:
- Low cost to send
- High conversion rates
- Reusable audiences (owned lists vs. rented algorithms)
Suggested Table: Channel ROI Comparison (Email vs. Social vs. PPC)
2. Direct Access to Your Audience
With social media algorithms, you’re at the mercy of platforms. Not with email.
- Emails reach 85%+ of recipients.
- You own your list—no algorithm throttling or shadowbans.
- Emails give you total control over timing, targeting, and content.
Bonus: Emails stay in inboxes until action is taken.
3. Emails Influence Buying Behavior
More than 50% of consumers say marketing emails influence their purchase decisions.
Use Cases That Drive Revenue:
- Product launch announcements
- Limited-time offers and countdowns
- Back-in-stock alerts
- Restock notifications for essentials
Suggested Table: Email Type vs. Consumer Purchase Intent
4. Consumers Prefer Email to Other Channels
According to surveys, 90% of consumers prefer email for brand communication.
Why:
- Feels less intrusive than SMS
- More digestible than social content
- Offers a personalized experience
Pro Tip: Let customers set their email preferences for maximum control.
5. Email Drives Higher Engagement Rates
Compare average engagement:
Channel | Engagement Rate |
---|---|
20-25% open rate / 2.5%+ CTR | |
~0.58% | |
~1.22% |
Email doesn’t just reach—it drives action.
Suggested Visual: Side-by-side engagement bar graph
6. Segmentation = Smarter Revenue
Segmented emails generate 760% more revenue than generic campaigns.
Easy Segmentation Tactics:
- First-time vs. returning customers
- Gender or location-based messaging
- Purchase frequency or category interest
- VIPs and high-spenders
Suggested Table: Segment Type vs. Recommended Email Campaign
7. Email Buyers Spend More
Email-acquired customers spend 138% more than non-email buyers. These are warm leads who want to hear from you.
Campaigns That Drive Big Spenders:
- Loyalty offers
- Birthday discounts
- Early access for new drops
Pro Tip: Use predictive analytics to find your top 10% spenders and create a VIP flow.
8. Triggered Emails Work Like Magic
Welcome and thank-you emails can reach up to 88%+ open rates.
Essential Automated Flows:
- Welcome Series
- Order Confirmations
- Thank-you Notes + Follow-ups
- Review Requests
Suggested Visual: Flowchart of a 5-part automated Welcome Flow
9. Cart Abandonment Emails = Recovered Revenue
Nearly 70% of carts are abandoned. That’s a massive leak in your revenue pipeline.
How to Win Them Back:
- Reminder within 1-3 hours
- Incentive email (10% off, free shipping)
- Final nudge with social proof or urgency
Suggested Table: Cart Email Timing vs. Conversion Rate Boost
10. Email Is the King of Owned Media
Unlike rented media (social platforms, influencer posts), email is yours to scale, optimize, and monetize. It’s your owned, evergreen communication tool.
Long-Term Advantages:
- Build long-term brand equity
- Monetize without additional spend
- Test offers and messaging directly
Suggested Infographic: Rented vs. Owned Media – Pros and Cons
Final Thoughts
Email marketing isn’t optional—it’s essential. It provides a high-ROI, low-cost channel that scales as your business grows. With automation, personalization, and smart testing, email becomes your most powerful asset for building a loyal, high-value customer base.
Let the competition chase algorithms. You? You’ll own your list, own your results, and build a real brand that lasts.
Want help making email your top revenue channel? Blossom Ecom is here to build, manage, and scale your email engine.
Frequently Asked Questions (FAQs)
1. How often should I email my customers?
Start with 1–2x per week, but use data (engagement, unsubscribes) to fine-tune frequency.
2. What’s the best time to send marketing emails?
Mid-mornings during weekdays (9-11 AM local time) tend to perform best, but test for your audience.
3. Do people still read marketing emails in 2025?
Yes—more than ever. Email usage continues to rise globally, especially among mobile-first consumers.
4. How do I prevent my emails from going to spam?
Avoid spammy subject lines, maintain clean lists, and authenticate your domain (SPF, DKIM, DMARC).
5. What platform is best for ecommerce email marketing?
Klaviyo is the top choice for Shopify brands due to deep integrations and automation power.
6. What’s the most important automation to set up first?
A Welcome Series—it sets the tone, builds trust, and often converts at the highest rate.
Need help implementing this?
Let us take the hassle of managing your email marketing channel off your hands. Book a strategy call with our team today and see how we can scale your revenue, customer retention, and lifetime value with tailored strategies. Click here to get started.
Curious about how your Klaviyo is performing?
We’ll audit your account for free. Discover hidden opportunities to boost your revenue, and find out what you’re doing right and what could be done better. Click here to claim your free Klaviyo audit.
Want to see how we’ve helped brands just like yours scale?
Check out our case studies and see the impact for yourself. Click here to explore.
Tactic | Strategy |
✅ Front-load urgency | Use action words like “Today only,” “Limited,” “Your order is waiting” |
✅ Subject line clarity | Be specific. Skip vague copy like “Here’s something for you…” |
✅ Content relevance | Only send what the subscriber actually cares about. Personalize. |
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