Poor service

I took a credit at Bradlows last year about twenty something thousand,1st unit of a walldrope broke,I than went to the store at Kamaquekeza the store manager was Mr Khoza,he was so rude helpless I was told to contact insurance for myself hence insurance it's not part of Bradlows funny part is that the insurance is part of my deal contract,I ended up using force i had to stand by the door block customers that's when the plaza security intervene and I was assisted through them after 4 months of up and downs...when my microwave and washing machine stopped working I've drove to malelane Bradlows to avoid that drama I've experienced,when I arrived at the store I was told they can not assist me I have to go to the store I bought,I've explained my story to them,they than called the store to get the consultant name who helped me however they promised to come back up to so far,I than gave up while they deducting my money monthly, couldn't stop paying cos am afraid of my name due to credit history hence am still young I would still need more,Around August when I was at the very same plaza when passing I saw the store being cleared up,I've entered asked to speak with the owner hence I was seeing different faces ,was referee to Miss Ziska she was kindly willing to help though she had lot to do,I personally gave her 2 to 3 weeks to settle than start with me,around September she started communicating with me,she helped me she told me to take a microwave to Russell's at Tonga which is still there it hasn't come back it's over weeks now and yesterday they deducted my money they didn't hesitate,she than send a technician to my house to fix the washing machine by the name of Bongane,I was with the technician whn he was opening at the back,after he personally told me that he see nothing wrong,i must use it again, should it's repeat the same issue I must report to Defy myself which means it's a mechanical faulty from the store,well I did my washing Sunday my machine start again on the drying side,I've tried calling Miss Ziska her phone was off,I than send her a whatsApp audio,she came back to me,telling me she will send the very same technician that has been in my house,I told her what the technician said to me whn he was here to fix,I asked her why cnt they replace the machine, it's clearly I will not used this machine after 2 years cos they keep on fixing it while am paying insurance,she told me that she can not assist me unless I allow the technicians to come,please help me I need my machine to be replaced I can not keep on fixing something that is still new over and over again...up to so far I have not been assisted can anyone help me i dont understand why am i paying insurance if am getting this kind of treatment. ..