Complaint about The Lemon Tree Multichoice Shop

I am very disappointed by how DSTV agents treated me and my family, we had an issue with our decoder on Sunday where it stopped working. We call the call centre for assistance when they couldn’t assist us we were then referred to a shop in The Lemon tree shopping centre. We took the decoder there where they tested it and confirmed that it had been damaged so we purchased one that was new, well that was what we were told. We took it home then called an installer to assist but the “new” decoder did not work, we took it back to the centre the next day where they tested it was working. We were told to change the LNB cable. We took it home called the installer again but the decoder still did not work then we took it back, the guy that was helping us said we must bring the power cable with which I had an argument with him asking him why he had not told us that we should bring this power cable. He had an attitude then I spoke to his manager who as well had an attitude and was smiling and not taking me seriously. We went back home took the power cable then for the third time went back to the agency and they confirmed that the decoder had no issues and the guy from the shop said we must talk to the installer as he is ******** us. We went back home called the installer and he came back gave us our money back then left. We called the second installers as we had thought the first installer was ******** us. The second installers confirmed that the so called new decoder that the shop had sold us was not working. Then we bought a new decoder it was working well with no issues, when I took back the decoder to the shop, and I told them that they sold us a decoder that was old and was faulty the guy said they do not do refunds and I must take it to Multichoice in Randburg. I don’t understand why all this time we were doing up and down to their shop that they did not tell us that the decoder that they sold us was old and faulty. Why would they sell us an old decoder in the first place and that they were all sure that it was working and they were making us fools yet they were the ones wrong and giving us terrible service. That shop needs to be closed or dealt with as they made us fools.