It's easy to keep a copy of your website on your local computer.
To safeguard all your work, you can easily download all the articles and images you've added to your website to your local computer.
Create these backups as often as you like.
It's easy, just click a button, and download a zip file. That's all there is to it.

(PS: Our entire server is backed up every night to a remote server in a different part of the world.)