Bad service level that i have received from the store and Head office with bad attitude

on the 29/09/2017 I bought a Res-tonic Bed from the Sleep masters stores in Daveyton may-field mall, then last week on 02/11/2017 i reported to the store that the bed that i have bought from them its making a lot of funny Noise , and they reported their issue to their supplier and their supplier told me that i'm will have to wait for 2 to 3 weeks for them to come and replace the faulty Base mean while i should be using the bed of which i'm struggling to sleep due to the noise that it makes and when i call their customer call center at their head office they keep on shouting at me and telling me to wait for them to resolve the problem with their supplier and when i ask them how long i should wait they don't want to tell me and when i call the store they keep on telling me that they will contact their head office and the supplier . the bed was bought cash with a value of R 4400 at the moment its being 6 days while i'm suffering to get them to help me. In my whole life all my close friends and family i will let them know about the poor services that they have provided to me my number are ********** 81 the reference that they have given me is Ticket number SM-RE- ********** 7-161 please help me