Well its almost up there with the great tips but not quite on a par with the be careful when your zipping up your pants when you not got any underwear on tips
its the same old thing, you have an important file but just know that what ever you do you are going to lose it the next system fail.
Well its simple, why not E-mail it to your self, especially good if you have a hotmail or other web based account.
Now that important document will sit and live happily in your inbox ready for the day when you need it.
Just a simple tip but it works.