If you ranked every marketing channel by ROAS, email and SMS automation would sit at the top of the list for almost every ecommerce brand — and yet it's the channel most underused. The reason is simple: the media cost is effectively zero, so almost every dollar of attributed revenue drops straight to the bottom line.
The numbers
- Welcome flows: $5–$15 per subscriber over 90 days.
- Abandoned cart: recovers 10–15% of otherwise lost carts.
- Lifecycle automations typically drive 20–35% of total revenue.
Why brands underuse it
Email feels unglamorous next to a viral Meta campaign. It doesn't give you the dopamine of a big spend number. But it's the channel that turns a one-off buyer into a customer for life — and it's the only channel whose ROI improves as your list matures rather than fatigues.
"Paid acquisition is rent. Email is ownership. You want both — but you build wealth on the one you own."
— James Sharma
Welcome, abandoned cart, post-purchase, and win-back. Get those four live and you've captured 80% of the value before you ever send a broadcast.
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