Best Practices & Common Mistakes to Avoid
Best Practices & Common Mistakes
The dos and don'ts of SMS marketing
These guidelines are distilled from real-world data and hard-learned lessons. Follow the best practices, avoid the mistakes, and build a high-performing SMS channel.
Best Practices
Keep Messages Short and Focused
A standard SMS is 160 characters. Every word must earn its place. Structure: Hook (first words) + Value (the offer) + CTA (what to do) + Link.
Strong, Clear Calls-to-Action
Every SMS needs exactly one clear CTA. Tell the reader exactly what to do: Shop now, Book your spot, Claim your discount, Reply YES, Show this text.
Personalize When Possible
Personalized SMS messages have 29% higher conversion rates. Use the customer's name, reference past purchases, or send location-based offers.
Respect Time and Frequency
Send during reasonable hours (9:00-21:00). Keep your promises — if you said 2-4 texts per month at opt-in, do not send 10.
Always Include Opt-Out
Every marketing SMS must include an opt-out mechanism: Reply STOP to unsubscribe. This is legally required and builds trust.
Perfect SMS Anatomy
Hey Sarah! 30% off all shoes today only. Shop your favorites: [link] Reply STOP to opt out
Bad Example
Dear valued customer, we wanted to let you know that we are having a sale on our entire collection of shoes and accessories starting today and running through the end of the week...
Common Mistakes to Avoid
Over-Messaging
The #1 reason people unsubscribe. If your opt-out rate is above 3%, you are almost certainly messaging too often. Pull back and watch engagement improve.
Sending Without Value
Every message must provide clear value. Discounts, useful info, early access, or personalized recommendations — if you would not want to receive it, do not send it.
Ignoring Compliance
Non-compliance can result in fines of $500-$1,500 per message. Maintain consent records, honor opt-outs instantly, identify your business, follow GDPR/TCPA.
No Tracking
Sending SMS without tracking is throwing money into a well. At minimum, use unique promo codes for every campaign.
Poor Timing
A dinner promotion at 8 AM or a flash sale at Friday night wastes your budget. Match your message to the moment your customer will act.
Your SMS Marketing Launch Checklist
Final Thought
SMS marketing is not complicated, but it requires discipline and respect for your audience. Follow these practices, avoid the common mistakes, and you will build a high-performing SMS channel that drives real revenue for your business.
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