How do I write an SMS flash sale text that doesn't sound spammy or desperate?

The simplest test is to read your message out loud and ask whether you would say it to a customer standing in front of you in your store. If the answer is no, rewrite it. Manufactured urgency language with excessive capitalization and exclamation marks is associated with significantly higher unsubscribe rates compared to confident, specific language.

Instead of leading with '25% off everything,' try something like 'That dress you've been eyeing plus the perfect sandal equals your Saturday night — 25% off both for the next four hours.' The discount supports the vision rather than leading it. This mirrors how great sales associates actually sell on the floor — nobody walks in asking for a percentage off, they walk in needing an outfit for an occasion.

For scarcity, stick to verifiable facts. 'Only eight left in this drop' is a fact your customer trusts. 'Selling fast!!!' is a vibe she ignores. Honest, specific language makes her feel like a valued insider rather than an anonymous coupon recipient, and that trust is what keeps her on your list month after month.