Backing up your computer is important. However, many view it as difficult, complicated, expensive, or all of the above. The truth is, creating a good backup system doesn’t have to be any of these things.
I don’t know that I’d call it “easy” (it can be but…) – it does take effort to set up a solution that is automated and behind the scenes – but it is crucially important.
The Sweet Setup has a series of articles about backups that, if you need to set something up, will help you figure out how to do it.