Pathetic service

I bought a bed at sleep masters protea glen about 3 months ago and now it’s totally in bad shape sagging and it hurts so bad am writing this with a sore heart both my sides are painful so is my ribs I really don’t understand value for money on this bed I want my hard earned money back.i have been diagnosed with rib disease and this bed is making me worse ,i have been calling the supplier and i am told that only 1 consultant by the name of Zanele can assist from complaints department ,i have been calling since the 7th of October with no luck .