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Maximizing ROI with Email & SMS Marketing: Best Practices for Small Businesses

8 . 31 . 2025

Hey there, small business owner! Ready to dive into the world of Email and SMS marketing? It’s time to talk about how these two powerful tools can help you maximize your return on investment (ROI) and build stronger relationships with your customers. But before you start firing off messages, it’s crucial to know the best practices and the legalities to ensure your campaigns are effective and compliant. Buckle up, because we’re about to take your marketing game to the next level!

Why Email and SMS Marketing?

First things first, why should you care about Email and SMS marketing? Simply put, they’re among the most direct and personal ways to reach your customers. While social media and other marketing channels are great, email and SMS offer a more intimate and immediate connection with your audience. Here’s why they’re so effective:

Now, let’s break down the key metrics you should be tracking to measure your marketing success effectively.

Understanding Regulatory and Spam Laws

Before we dive into the best practices, let’s get clear on the legal stuff. You can’t just add anyone to your email or SMS list (and it’s been that way for a LONG time). There are rules to follow, and for good reason. These laws are designed to protect consumers from unwanted spam and ensure that your marketing efforts are reaching people who actually want to hear from you.

Email Marketing Regulations

  1. CAN-SPAM Act (U.S.): This law requires you to include a clear way to opt-out of future emails, use accurate subject lines, and include your physical address in every email.
  2. GDPR (Europe): The General Data Protection Regulation requires explicit consent from recipients, clear data usage policies, and rights for users to access and delete their data.
  3. CASL (Canada): The Canadian Anti-Spam Legislation requires consent (either express or implied), identification of the sender, and a way to unsubscribe.

SMS Marketing Regulations

If you’re diving into SMS marketing in the U.S., it’s not just about getting consent, there’s a whole compliance ecosystem to navigate. Here’s what you need to know:

  1. TCPA (Telephone Consumer Protection Act): Must obtain express written consent before sending any promotional texts; violations can result in hefty fines

  2. CTIA Guidelines: These carrier-backed guidelines mandate clear opt-ins, opt-outs (like replying “STOP”), message frequency standards, and proper disclosures

  3. 10DLC / TCR Brand Registration: Since 2023, businesses using standard 10-digit long code numbers (10DLC) must register their brand, phone number(s), and campaign details with The Campaign Registry (TCR) to ensure carrier approval and deliverability.

What This Means for You:

Getting consent is just the first step. You also need to ensure your brand and messaging are carrier-approved, neglecting this can result in delivery failures or legal headaches. It’s worth setting aside time (and budget) for proper 10DLC registration if you’re serious about SMS marketing.

Best Practices for Email Marketing

Now that we’ve covered the legal ground, let’s dive into how you can make your email marketing campaigns truly shine.

1. Build a Quality Email List

Start with a quality list of subscribers who have opted in to receive your emails. Use sign-up forms on your website, social media, and in-store to grow your list organically. Never buy email lists! This can lead to high bounce rates, spam complaints, and legal issues. And make sure anyone you add to your email list manually is someone you actually know but even better, let them opt in on their own through a link or ask them beforehand. Really this is a grey area but it’s best not to irritate a new potential customer by adding them to your email list without permission.

2. Segment Your Audience

Not all your subscribers are the same, so don’t treat them that way. Segment your list based on factors like demographics, purchase history, and engagement levels. This allows you to tailor your messages to specific groups, increasing relevance and engagement.

3. Personalize Your Emails

Personalization goes beyond using the recipient’s name. Use data from your CRM to send personalized product recommendations, birthday wishes, and tailored offers. Personalized emails can significantly boost open and conversion rates.

4. Craft Compelling Subject Lines

Your subject line is the first thing recipients see, so make it count. Keep it short, relevant, and intriguing. Avoid all caps and excessive punctuation, which can trigger spam filters.

5. Provide Value in Your Content

Your emails should provide value to your subscribers. This can be in the form of useful information, exclusive offers, or entertaining content. The more value you provide, the more likely recipients are to engage with your emails.

6. Include Clear Calls to Action (CTAs)

Every email should have a clear and compelling call to action. Whether you want recipients to visit your website, make a purchase, or download a resource, make it easy for them to take the desired action.

7. Test and Optimize

Regularly test different elements of your emails, such as subject lines, content, CTAs, and send times. Use A/B testing to see what works best, and continually optimize your campaigns based on the results.

Best Practices for SMS Marketing

SMS marketing is a bit more immediate and personal than email, so it requires a slightly different approach. Here’s how to make the most of it.

1. Get Explicit Consent

Before sending any SMS messages, make sure you have explicit consent from your recipients. This is not only a best practice but also a legal requirement. Use a double opt-in process to ensure compliance and build trust with your audience.

2. Keep It Short and Sweet

SMS messages have a limited character count, so get straight to the point. Deliver your message clearly and concisely, and include a strong call to action. Since SMS is a more intrusive medium, respect your recipients’ time and attention.

3. Personalize Your Messages

Just like with email, personalization can make your SMS campaigns more effective. Use the recipient’s name and tailor messages based on their preferences and past behavior.

4. Timing Is Everything

Because SMS messages are read almost immediately, timing is crucial. Send your messages at times when recipients are most likely to be receptive, such as during business hours or early evenings. Avoid sending messages too early in the morning or too late at night.

5. Provide Value

Your SMS messages should offer real value to the recipient. This could be in the form of exclusive discounts, flash sales, or important updates. Make sure every message you send is worth your recipient’s time.

6. Make Opting Out Easy

Always include a simple way for recipients to opt out of your SMS messages. This is both a legal requirement and a best practice that shows respect for your audience’s preferences.

7. Monitor and Optimize

Unfortunately tracking on SMS messages isn’t straight forward like emails. You can’t track open and click rates. But you can somewhat monitor your conversions and guestimate if the campaign brought those people to convert based on who you sent it to. Not ideal but that’s really the only way you can track your progress.

Combining Email and SMS for Maximum Impact

While email and SMS are powerful on their own, they’re even more effective when used together. Here’s how you can integrate the two to maximize your ROI.

1. Cross-Promote Channels

Use your email list to grow your SMS subscribers and vice versa. Encourage email subscribers to sign up for SMS alerts for exclusive offers, and promote your email newsletter in your SMS messages.

2. Coordinate Campaigns

Plan your email and SMS campaigns to complement each other. For example, you could send a detailed email about a new product launch and follow up with a reminder SMS on the day of the launch. This multi-channel approach can boost engagement and conversions.

3. Segment and Personalize

Segment your audience and tailor your messages across both channels. Use data from your CRM to ensure that your emails and SMS messages are relevant and personalized to each recipient.

4. Automate Workflows

Use marketing automation tools to streamline your campaigns. Set up automated workflows to send welcome emails and SMS messages to new subscribers, follow up with cart abandonment reminders, and send personalized offers based on user behavior.

5. Measure and Adjust

Regularly review the performance of your email and SMS campaigns. Use analytics to track key metrics and make data-driven decisions to optimize your strategy. Continuously test different approaches to see what works best for your audience.

Conclusion

Maximizing ROI with email and SMS marketing requires a strategic approach that focuses on compliance, personalization, and value. By understanding and adhering to regulatory requirements, building quality lists, and delivering targeted, valuable content, you can create powerful marketing campaigns that drive engagement and conversions. Remember, the key to success lies in integrating your efforts across both channels, continually optimizing your strategy, and always putting your audience first. Happy marketing!

We’re here to help! If you need help with your email & sms marketing, we can help you navigate it all. Schedule a free discovery call with us today to get started.

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