Instruct: Classify a given review into positive or negative sentiment.
Query: drill doctor is terninal

I am too cheap to buy a new drll bit when I have a perfectly good bit which is just dull. I spent the [...] for the DD500X. It looked like it would be fast and easy just like sharpening a pencil. After reading all of the directions for over an hour I realized it was a lot more than sharpening a pencil but I was ready to try it and try it and try it again. I never did get a bit that would cut. I ruined all of the bits and wore out the little grinding wheel. I threw that piece of junk across the shop and the cheap plastic exploded like a bomb. I wish I'd have just bought the new bits. I would be money ahead and wouldn't have wasted a day screwing with it.