Terrible game products

I bought a Telefunken t.v at game in jhb cbd after a week of using the t.v the picture quality has declined and there a re funny colours on the picture I try to speak to their live chat service I'm told I will have to wait 21 days, why should I wait 21 days for a t.v I bought cash no installments why must I suffer because of faulty game products this game is 89 Helen Joseph Street johannesburg is terrible *** the manager needs to call me thabang selibi