Instruct: Classify the given Amazon review as either positive or negative.
Query: Very Disappointing Purchase

I have mixed feelings about this grill but mostly dsiappointment. Food cooked on the grill is OK but nothing special. Things that are just a little thick are not done very well at all. The edges of thick hamburgers never really cook. The same is true of pork chops. The biggest disappointment is the so called "non-stick" surface. I called the manufacturer about this and they told me two thing: 1) the surface needs to be treated with a non-stick spray or coated with something like olive oil. They also said, that although "they" say not to do this, I should try to wash the surface while it is still hot. Any way you look at it, it takes a great deal of effort to clean this thing especially when you use anything like BBQ sauce or Duck Sauce. I've discarded the grill -- its that bad.