purchased used double oven on 2/27/2012, upon plugging in at home and turning on oven loud buzzing noise and sparks out back of oven, called appliace doc's the next morning and left message, no return call, called next day left message no return call, called fourth day spoke with owner states must be an electrical problem in my home, refuses to come and service appliance, states to bring in and will look at oven. took oven into appliance doc's return call recieved states control board is fried and must be replaced will cost $205.00 my cost, with free labor for warranty. Note appliance doc's never tested plug in and refused to pay for repair costs. states will take till may to recieve part for oven. also purchased used refrigerator whirlpool gold, factory return, that had been refirbed per appliance doc's, with in 24 hours of arrival to home refrigerator compartment stopped cooling, call to appliance doc's again refused to come and service appliance, requested for us to return frig to store for warranty servicing. states appliance problems must be electrical problems in my home. Note home is a complete remodel, all previous electrical wiring removed and new wires through out home per AA electric. Hired a second appliance repair company to come and service refrigerator in home, bad wirring inside refrigerator fried control board total cost of repairs 235.18 plus loss of grocerys in frig. appliance doc's refused to re-emburse cost of repairs .