In this episode of Ecom Growth Insider, I sit down with Michael Rathman, the founder of AdSumo Digital — an email & SMS marketing agency helping DTC brands add millions in revenue without increasing ad spend.

We go deep on the real strategies brands are using in 2025 to turn email into a high-ROI growth channel — even if you’re just getting started.

💡 What You’ll Learn:

• Why most brands are underutilizing email and leaving 6–7 figures on the table
• The 6 essential flow emails every ecom brand should set up today
• How to turn browsers and non-buyers into loyal customers using automation
• The right time to invest in email & SMS (based on your monthly revenue)
• Plain text vs. designed emails — what’s actually working now
• Campaigns vs. flows — how to split your focus and maximize both
• Real-world strategies to build connection, drive repeat purchases, and grow LTV
• How to use founder-led storytelling and voice notes to write authentic, high-converting emails
• Why building a personal brand is one of the biggest ecom growth unlocks in 2025

🔗 Links & Resources:

🌐 AdSumo Digital

Michael on Twitter: @MichaelRathman7

Michael’s YouTube

If you’re a DTC founder, CMO, or growth marketer looking to scale smarter — this episode is a must-listen.

📩 Subscribe, leave a review, and follow the journey at EcomGrowthInsider.com