Wondering how to back up your Drupal install? Look no further! This tutorial is split up into two videos- database backups and file backups. Without further adieu, here is the first part: Database Backups: http://www.youtube.com/watch?v=ZmAf8mvOVps

For a standard Drupal install, there are two things that need to be backed up: the files and the database. With most shared hosting there is a certain amount of redundancy and backups, but you (and I) don't have control over that. This should solve all of that.