Sears Home Services Nashville, Tennessee dysfunctional service departement/ripoff customers at their expense Nashville Tennessee

I arranged a service call with Sears Home Services to have my Samsung Inducation Range serviced for the left 2 burners did not work.  Richard the technician came out and diagnosed the need to replace the inverter  (297.00 part /401.75 dollars with labor_ which I pre paid up front with a credit card. A week later same service technician came out to replace that part and took the old part with him yet the stove top burners still did not work.  So he then realized that when you replace the inverter you need to also replace the touhc assembly which he orders and I prepay another 140.00 dollars. After 2 weeks passed and I had never received that second part I attempted to call Richard (left message and he never called me back).

I then called Sears Home Services and they advised me that the part was no longer being made and they would issue a 40.00 refund for a 140.00 dollar charge that no one came out for.  Thereafter I called them to request a full refund for everything since my range is in no better shape than when I originally set up the service call.  Then they said they could only refund me if they removed that part again wherein a service technician came out and adivsed me that if he removed that part my whole stove top/range would not work because it was a core part.  So I inquired about putting in the old part and that was not possible as the other service technician has sent it back to parts.  So this service technician indicated he would advise sears to provide a full refund because that core part was essential to me having the basic function that range had before the service call.  

After persistent phone call to the Sears Home Services solutions dept to check on the status of the refund....each time I get a different customer service person all initially helpful and assuring me that I will have a follow up call in the next 24-38 hours.  This has never occurred.  So I have kept calling each day and gain talking with a different person each time and each time having to repeat the whole scenaria/ wait on hold until they read through the notes and then on my last call they indicated they could not refund me for the first part /or service call unless they had the part.  I explained that I am not in a position to purchase a new range and if they take that part I will have a non functional range.  Then she proposed I use the $297.00 dollars toward the purchage of a new range (the total dollars that I am out is 541.75 ....).  I said that was not acceptable and I would settle for no less than a full refund since the whole issue could have been avoided if the first service technician had ordered both parts together as he should have and we have known that this was not going to work.

To date I've had no feedback from Sears.  I have contacted the BBB and advised my credit card people of the lack of support in getting any refund for services not rendered and parts not delivered.  I don't know where to turn now.