QUOTE (CanRay @ Oct 3 2012, 12:36 AM)

Bad plan. No comment about quality of life that you get.
And you can live a long time in very horrible ways.
Very true. The book this occurred in, the demon was trying to cheat (he'd only been in long enough to grant a wish) and the main character was thinking quickly.
End result: she got a half-wish,* the demon went back in the bottle, and it was clearly labeled to not be opened for another 100 years (by which point the main character would have died from old age, if not sooner) at which point the demon was free to go with no harm to the next fellow.
Her request was to find an appropriate gift within an unsorted hoard of mostly-junk (which also contained several other bottled demons). So it wasn't a very spectacular wish, but shortened her chore considerably (and as plot would have it, the gift was un-needed, but there was no way to know before hand).