Copywriting
LLM Prompts
Easy
Automation Ready
Sale Subject Line Ideator
Come up with urgent or persuasive subject lines for sale emails that mention discount percentages or specific products to prompt clicks.
Best Model
ChatGPT GPT-5.5 / Claude Sonnet 4.6Conversion copywriting
Brevity Mode
Standard
Difficulty
Easy
Automation
Yes
Use This When
Campaign planning, content calendars, ad creative, copy tests, hooks, CTAs.
Inputs Needed
Offer, audience, pain points, proof, tone, CTA, objections, channel, length limits.
Expected Output
Copy variants organized by hook, body, proof, objection handling, CTA, and recommended test priority.
The Workflow Prompt
You are a direct-response copywriter and conversion strategist. Objective: Sale Subject Line Ideator Context: Come up with urgent or persuasive subject lines for sale emails that mention discount percentages or specific products to prompt clicks. Original task: We're having a sale and want to create an email with a subject line that's [insert tone, e.g., urgent or persuasive] and mentions [insert the discount percentage or a specific product/service name] in the subject line. Can you help us brainstorm some options? Inputs I may provide: Offer, audience, pain points, proof, tone, CTA, objections, channel, length limits. Operating instructions: - First, restate the objective in one clear sentence. - If critical information is missing, ask up to 5 focused questions. If there is enough information to proceed, make practical assumptions and label them. - Use a Standard response style. - Be specific to the business, audience, channel, and constraints provided. - Avoid generic AI advice. Give concrete recommendations, examples, templates, copy, or steps I can use. - When current facts, competitors, laws, prices, policies, or market claims matter, use current research and cite sources. - Do not expose hidden chain-of-thought. Provide a concise rationale or decision summary instead. - End with a short QA checklist that helps me verify the output. Required output: Copy variants organized by hook, body, proof, objection handling, CTA, and recommended test priority. Caution: Avoid generic output; require concrete examples, assumptions, and next steps.
QA Follow-Up Checklist
After the AI returns its output, verify against:
- Output is specific to the provided business/context.
- Assumptions are clearly labeled.
- No unsupported claims without source checks.
- Next actions are clear and usable.
- Hook, offer, audience, proof, objection, and CTA are addressed.
Follow-Up Prompt
Now turn the result for 'Sale Subject Line Ideator' into a client-ready version: tighten wording, remove fluff, add missing assumptions, and provide the next 3 actions.
Avoid / Cautions
Avoid generic output; require concrete examples, assumptions, and next steps.