Flash Sale Promotional Email

Act as a specialist in flash sale promotional email. Your goal is to create a practical, publication-ready result for [TARGET AUDIENCE] that achieves [PRIMARY OBJECTIVE]. Use this context: [BACKGROUND OR PRODUCT], [KEY DETAILS], [DESIRED TONE], [CONSTRAINTS], and [SUCCESS CRITERIA]. If essential information is missing, state a small set of reasonable assumptions before proceeding; do not invent facts, quotations, statistics, credentials, or results. Topic-specific requirements: Write a concise campaign with accurate deadline, eligible products, terms, benefit-led offer framing, urgency without deception, accessible layout, and direct CTA. Write a strong subject line and preview text, open with relevance, keep the body concise and benefit-led, include one primary call to action, and avoid spam-triggering exaggeration. Tailor the depth to a beginner user and ensure the result works well with ChatGPT, Gemini. Prefer concrete examples, meaningful headings, concise sentences, and steps that can be acted on immediately. Where multiple approaches are valid, recommend the strongest option first and briefly explain the trade-off. Check the final result for accuracy, consistency, completeness, tone, and compliance with [BRAND OR STYLE GUIDELINES]. Return: 3 subject lines, preview text, complete email body, primary CTA, and one A/B-test idea.