No replacement but purchase a double the cost

I have purchased a set of Samsung AKG Type-C Earphones for R199. @ Days after I received them the connector detached. I requested a return with replacement of the item. I received message from Takealot that the item id no longer available. But is available at R400. So, my account was credited with R200 so I can now pay R400 for the same product. What a total **** and daylight ******* that is! Shame on you Takealot!