SMS marketing is a powerful yet cost-effective tool when executed properly. To halve costs, aim to keep your messages within the 160-character limit of a single SMS. Create concise, direct content with a clear call-to-action, making every character count. Utilize abbreviations and URL shorteners sparingly to retain professionalism. Measure success through analytics and replicate the structure of well-performing messages in future communications. By mastering the art of 160-character messaging, you can cut costs and maximize engagement, making your SMS marketing strategy truly impactful.