I’m worth the wait Keep your email subject line short and attention-grabbing. Don’t forget to add a fun, relevant call-to-action button to your email. Try different email subject line styles to find what gets the most opens. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Opening the door to unlimited creativity… Let your imagination run wild. Don’t forget to add a short preview description to encourage people to click on your email.