What is Auto SSL?

The auto (free) SSL certificate offered with hosting provides you an easy way to validate the authenticity of your website to all your website visitors.

When a potential or existing customer navigates to your website, they will see a padlock next to the domain, which lets them know that they are visiting a valid website. And it will be harder to spy on your customers as the traffic between your website and a visitor is encrypted. 

Having an SSL certificate on your website is just good business sense.