Create or change templates:
Open G-mail and click Compose new e-mail.
1) In the Compose window, enter your template text, add all links if you have some, and put image if you want.
2) Next, find three points in the lower right corner.
Choose Templates.
Choose an option: To create a new template, click Save draft as template or Add your template name and hit Save.
Simple, isn’t it ? Save a lot of time answering emails.
How to insert later in a new email?
Open a new mail, select one of the templates you have created. And that’s all.
You can change the details in the specific email and maybe save it again as a new template.