How much is your data worth to you? If your hard drive crashed or if you lost your device - would losing the data upset you? Of course it would! You have pictures, emails, documents, music - your whole life is on that thing!
It's not a question of "if" your hard drive will fail, it's really a question of "when." Hard drives are the most sensitive pieces of equipment on a computer. They are essentially floating platters that spin at high speeds with a head that moves back and forth over the platters. It's actually a wonder they don't fail more often!
TYPES OF BACKUP
Some backup suggestions: