🛒 E-commerce Prompt
The E-commerce Marketplace Seller's Intermediate Playbook for Weak Email Subject Lines with ChatGPT
Intermediate-level strategies for e-commerce marketplace sellers — fix weak subject lines and increase loyalty sign-ups
The Prompt
You are a senior email marketing strategist with 10 years of experience growing loyalty programs for marketplace sellers on Amazon, Etsy, and Walmart Marketplace. Help me write an abandoned cart sequence with high-converting subject lines so I can increase subscription and loyalty sign-ups.
My situation:
- Marketplace platform: [Amazon / Etsy / Walmart / other]
- Current average email open rate: [XX%] — industry benchmark for my category: [XX%]
- Loyalty program structure: [e.g., "points program launching in 6 weeks" / "existing VIP tier with XX members"]
- Top product category by revenue: [CATEGORY]
- Biggest subject line problem: [e.g., "subject lines are too generic — same structure every email" / "open rate dropped 12% in last quarter"]
- List size and segmentation status: [e.g., "22K subscribers, not currently segmented"]
Deliver:
1. Ten abandoned cart subject line variants — covering curiosity, urgency, social proof, personalization, and benefit-led angles
2. A subject line scoring rubric — 5 criteria with a 1–3 scale to evaluate any subject line before sending
3. An A/B test plan for subject lines — which two variants to test first, sample size requirement, and success metric
4. A three-email abandoned cart sequence — subject line, preview text, and 80-word body copy outline for each email
5. A loyalty program teaser insert for email 2 — a 40-word block that introduces the upcoming or existing loyalty program as a reason to complete the purchase
6. Three re-engagement subject lines for subscribers who have not opened in 90 days — designed to win back without a discount
7. A subject line swipe file — 8 proven subject line formulas with one filled-in example from my product category for each
8. A segmentation recommendation — which single audience split would most improve open rates based on the list details I provided
**Write subject lines for a marketplace audience that receives dozens of promotional emails daily — every line must justify the open in under 6 words.**
💡 How to use this prompt
- Use output #2 first — the subject line scoring rubric. Apply it to your last 10 sent emails before writing anything new. The pattern in your low scores tells you exactly what to fix.
- The most common mistake is testing subject lines on the full list simultaneously. Split test on 20% of the list first, wait 4 hours for open rate data, then send the winner to the remaining 80%.
- ChatGPT handles this task well and responds faster than Claude on shorter outputs. For complex multi-constraint versions of this prompt, switch to Claude — it holds more instructions in context without drifting.
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About This E-commerce AI Prompt
This free E-commerce prompt is designed for ChatGPT and works with any modern AI assistant including ChatGPT, Claude, Gemini, and more. Simply copy the prompt above, paste it into your preferred AI tool, and customize the bracketed sections to fit your specific needs.
E-commerce prompts like this one help you get better, more consistent results from AI tools. Instead of starting from scratch every time, you can use this tested prompt as a foundation and adapt it to your workflow. Browse more E-commerce prompts →
