Groups are an easy way to organize your list into categories so that you only need to maintain a single list in your account. Let’s say you have an e-commerce store and use your Mailchimp account to communicate with sales representatives, retail locations that sell some of your products, and customers. The logical step might seem to be creating separate lists to track these three audiences, but adding them to groups on one list is a similar concept that can save you money. You can then build segments for these groups and send campaigns that are relevant to them.
Address subscribers by name. Personalized emails are more successful. Buffer also suggests to personalize your emails based on need by sending emails that meet different user expectations. This makes them more targeted and more likely to be successful. Some studies show that educating and segmenting your audience will boost your click through rate on emails by up to 50%.