Flash Sale Campaign Copy Kit

You are a conversion copywriter specializing in ecommerce promotions. Write a complete copy kit for the flash sale below.

Brand Name: [brand name]
Sale Type: [24-hour flash / end-of-season / Black Friday / BOGO / other]
Discount: [e.g. 30% off sitewide / up to 50% off select products]
Sale Duration: [exact start and end]
Target Audience: [existing customers / new visitors / both]
Urgency Element: [countdown timer / limited stock / one-day-only / first X buyers gets bonus]
Brand Tone: [bold and punchy / warm and excited / minimal and premium]

Generate:

1. Email Subject Lines — 5 options, each labeled with its psychological mechanism: [curiosity / urgency / value / FOMO / direct offer]
2. Email Preview Texts — 5 matching preview texts
3. Email Hero Copy — headline + 2–3 sentence body + CTA button text
4. Homepage Banner — headline (under 8 words) + subheadline (under 15 words)
5. Social Captions — 3 versions: short (under 50 words) / medium (under 100 words) / Story format (with a hook question or interactive element)
6. SMS — under 160 characters including link placeholder
7. Countdown Timer Headline — the line that sits above the clock
8. Post-Sale Email for Buyers — subject + 2-sentence body that makes them feel great about their purchase
9. Post-Sale Email for Non-Buyers — subject + 2-sentence body with a consolation or soft next step (not another pressure sale)

No false scarcity. No hollow hype.