What is the primary reason that SMS marketing messages for electrical services must use concise copy?

You want to text past customers about a summer discount on ceiling fan installations. Arrange the following steps in the correct order to build an effective SMS marketing message.

You are creating an SMS campaign to remind past customers about routine electrical maintenance. To maximize your engagement rate, you should include the full technical details of the maintenance checklist directly in the text message so customers know exactly what they are paying for.

Analyze the following draft SMS marketing messages. Match each draft to the primary best practice it fails to implement.

While reviewing the performance of a recent SMS marketing campaign, you notice the message had a high open rate but generated zero new bookings. Evaluating the text—'Spring is here! Time for your annual electrical safety inspection. ⚡'—you determine the campaign failed primarily because the message lacked a highly clear ____.

You are designing an SMS campaign to notify past customers about your new whole-home surge protection service before storm season begins. You want to maximize engagement by combining concise copy, a strategic emoji, and a clear call-to-action into a single text message. Which of the following draft messages best represents a well-composed SMS that synthesizes all three of these best practices?