The ROI Hiding in Your Inbox

The ROI Hiding in Your Inbox

From The Prompt by Jim Carter

April 15, 2026 · 5 min · Episode 173

About this episode

Jim Carter discusses the evolving role of email marketing in the age of AI and offers practical advice for businesses.

“Your emails are being read by two audiences now: a person and AI.” Jim breaks down why email is still such a monster channel, with returns that can hit $36 for every $1 spent, and even higher in retail and ecommerce. But the real story here is not just that email still works. It’s that most businesses are still using it like nothing has changed. Gmail and Apple Mail are now summarizing emails before people properly read them, which means weak openings, filler, and vague copy can kill a campaign before the offer is even seen. From there, Jim gets practical. He explains where AI genuinely helps: tightening rough drafts, generating and testing subject lines, improving send times, repurposing one email for different customer groups, and spotting patterns across past campaigns. One of the smartest takeaways is his reminder not to let AI do all the thinking. His advice is simple: write the rough draft first, then use AI as an assistant, not a replacement. He also calls out where AI falls short. It can polish, but it can also flatten. Jim shares the warning that some brands used “perfect” AI emails and still saw flat revenue and higher unsubscribes because the messages felt generic…

People in this episode

Host: Jim Carter

Topics covered

  • email marketing
  • AI in business
  • customer engagement
  • campaign optimization
  • digital communication

Keywords

  • email ROI
  • AI assistance
  • subject lines
  • customer groups
  • campaign patterns

Mentioned in this episode

Organizations: Gmail, Apple Mail

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