Refusal to Refund

This is a review of my online shopping experience with 4home.co.za: I placed an order for and item that showed 3-10 delivery time. I was not allowed to choose Collection and was forced to pay for delivery. Their reason: "There are a number of items that are unfortunately not available for collection. Those are the items that get shipped directly from our various warehouses to the customer". Less than 24 hours later I found the item cheaper elsewhere and requested 4home to cancel my order and refund me. They rep****: "The order has already been processed and the item is already en route to our store." I responded that I did not want it anymore and to please cancel and refund me but they are ignoring my emails and refuse to refund me. I will NOT accept delivery of this item and it looks like I will have to dispute this transaction with my bank. I will NEVER buy anything from them again! Rather go to Geewiz or Takealot.