Disgusting Customer Service

On the 26th of November, I tried to buy the hisense stove and hob combo online but the error message was that there was limited delivery in certain areas. After several failed attempts, I called the Greenstone branch and spoke to a Khuthadzo who said there was still stock and we agreed that I could do an EFT and I could collect the stove in store. After sending me banking details, I immediately did the deposit and sent the proof of payment. Khuthadzo said she would send it to the head office and once they confirm receipt of the funds, they would notify me so I can collect the stove. The following day I had to follow up with about 4 phonecalls each time holding for more than 10 min at a time. Eventually I spoke to a supervisor Sibusiso who told me he would personally contact the supplier and let me know by the end of the day when the stove would arrive. Following day I made a few more calls and Khuthadzo informed me that they have to deliver the stove to me which I refused because before even placing an order I told them I would collect it from their store. She then called back to ask me to collect it from Pretoria and again I refused as that was not the agreement. Then she said Sibusiso had spoke to the supplier and would get back to me by the close of business. That didn't happen and we went into a new week with the same conversations daily till I called the callcentre and spoke to a Nkateko who found the whole situation strange since I hadn't yet been given an invoice, order number or anything by Khuthadzo, she said Sibusiso was waiting to hear from the supplier before I can be issued with any of that. Nkateko then put me in contact with a Louisa Baloyi at the head office who had said I would get a refund. Again the week ended and nothing. This is week 3, no refund, no stove, no communication. I have to keep chasing up for any form of response. Is this their standard level of service? Will I actually get a refund or is this how they ***** money from unsuspecting customers. I don't know what to do anymore and I'm tired of their empty promises and lack of customer service. Has anyone else experienced such disgusting service? Any advice on where I should go next?