I aked GE to come out a check my oven. I explained my concerns and he said they were normal functions of the oven (ie. smell of gas and heat ventelation out back of oven). The tech. proceeds to bait me by engaging a conversation regarding the ovens self-cleaning mechanism. The tech then draws out a diagram on a piece of paper showing me how the oven's temperature fluctuates. At this point I figure if nothing is wrong with my oven maybe I should have its internal temparature checked to make sure its holding its heat. This required the tech. to take a trip to his van(laborious)and stick a wire in oven(back braking)and wait. All of this cost me $120. I was charged for customer education. I NEVER asked to be informed about the operation of my oven, I know how it works. Besides, I would never pay for someone to come to my home to tell me the ins and outs of any appliance; all that info. is free online! I believe GE trains its techs. to bait the customer into laborious, jaw flapping education that the customer never asks for AND is not even given a choice to be educated (for a fee) or not educated.
In my opinion, I was bindsighted. If you call a tech to come out to your home, you better ask every time the tech. opens his mouth if your geting charged for verbal labor.