OneDayOnly - Will never order from them again.

I placed my first and last order with ONEDAYONLY. I ordered 2 pairs of sneakers via their website on 17 January 2023. Firstly they came back and said they didn't have stock of what I had ordered and paid for. I changed the order - deliver 1 in a different colour and cancel the other. I was then refunded less than I paid. On 31 January I received a package - of slops - not the sneakers I had ordered! They again want to refund less than I paid! Penalizing me for their errors. No explanation, no apology! A really disappointing experience.