Worst service of the century

I bought pots worth 650 plus 150 delivery fees so it totalled 800 on the 25th of December 2024 little did I know what I was getting myself into. The pots were never delivered and was advised there's a issue with the supplier okay the issue didn't stop there I had a back and forth for 3 months than April came on the on the 3rd of April 2025 I got 100 refund than the following day(4th April 2025) another 100 than the week past on the 8th got another 100 than they went ghost from there this is the worst experience I have ever encountered in my life as to why they don't want to give me my full refund idk it's the 19th of May 2025 still nothing and on the 26th of April 2025 I was told I will receive the full balance til today nothing