Website disasters could happen to the best of us. If you are not backing up your WordPress files and databases, you are going to leave your business open to huge risks. Finding cheap storage is not that hard these days. Google Drive is one of the cheapest cloud storage solutions around. You are just going to have to find a way to send your files and databases to Google Drive. Google Drive for WordPress makes that possible.
Google Drive for WordPress makes backups of your WordPress files and MySQL DBs. You are going to need to set up a client ID (web application) to get started with this. This script not only allows you to pick and choose which files to backup, it can also take care of your database for you as well. Backup frequency can be modified from the settings page.
Google Drive Backup for WordPress may not be perfect but it automates the backup process for your websites. Make sure you enable 2-step verification for your Google account before using this plugin.