Unethical business practice.

I'm having issues with getting a refund from an online company called Trisha's lIngerie. https://www.trishaslingerie.co.za/

I purchased some items online on the 25 of may. and was as promised delivery within 14-18 working days. The company due to their lack of communication and technical issues could not supply within the time period. I then requested a refund as I needed to get those items elsewhere as I was leaving for honeymoon. I was assured by a very apologetic Letisha over the phone that I would be refunded. It will just take 10 to 14 or so days .

Fast forward , after receiving the cancelled order 2 months later... Returning it to Trisha's lIngerie at my own cost , numerous phone calls, emails , WhatsApps. I still haven't received a refund. 24th October she offers me a partial refund of 30% . She states it's in the terms and conditions they they will deduct 70% on all cancellations. which I do not remember reading nor I did not think applied as she could not supply the order within the delivery time frame . I think it's unfair!! my invoice was R2820 and return courier R 143.75. , Which is alot of money for me . The way they run their company is shocking . Spinning excuse and circles ... Bad customer service and unethical business practice.