Game do not refund money timeously

Bought a trampoline online on the 17th July for 3999-. Delivery promised for 21st. Advised by Game on the 18th that the order is cancelled, no stock. Waiting since then for a refund. All sorts of stories, they tried to return funds twice but the bank failed. Then provided details again. When asked to escalate to complaints, was told then I loose my place in the finance queue. From a credit card perspective, they could have just cancelled the transaction the moment they realised they had no stock as the transaction status was pending. Don’t buy online from Game.