Email templates allow to create templates for further usage during email creation. A template with the text of email is created, which you send to the client with a certain frequency - a template will help to avoid typing the email manually. You can use variables within the template, which can pull the dynamic (changing) data. The abovementioned approach will eventually save your time on sending offers (emails) to clients on a daily basis, due to the fact that you should just choose a template and edit it, if required, instead of typing the text manually.