Builders needs to improve client service

Went today to Builders Express Bryanston to return a faulty PowerWorx multiplug were the 2 electric plug points work, but the 2 USB charging points are faulty. The manager was not helpful at all said he can't do anything about it, even I had the proof of purchase, which was just 3 month old. I ask him about my consumer rights, and he was not interested. I then called Builders Warehouse in Rivonia, the returns dept. did not know the length of warrantee of this item, so after being cut off first, I called back to speak to the manager of the eletcrical dept and waited over 12min without anyone answering. In the past I spend a lot of money, painting my house with builders products, but now I don't think they deserve my support any longer with this useless attitude. This product I returned, brand/item carries a 2 year warrantee on some websites, so the store manager is also not qualified in his decisions. There are plenty of other good hardware stores, which give you personal attention, would not recommend these guys any longer.