Kenmore Range - Elite Double Oven Review

Had for 6 months - Ovens won't work - Sears has been out here 2 times and told me it was dirty -they "cleaned it" and it worked for 1 hour -then stopped working again - I must be a really dirty person for it to stop working 1 hour later????  Called for another appointment and they didn't show up - WAiting to see if they show up today - DOn't buy Kenmore appliances -I bought a fridge, dishwasher, garbage disp., double oven, and washer, dryer 6 months ago and fridge was already looked at 2 times as well as oven.  Dryer buttons are starting to not work - They are crap -stick to things without fancy computers that don't work