Short changed due to *********** people a Discovery Vitality

Due to affordability, I chose to cancel Vitality on the 03 Mar'23. After much deliberation online and chatbot, with no success, I chose to call a landline number, only to get hold of Xolani in the cancellations department who advised that the cancellation will be effective 31 Mar'23. at the beginning of April'23 my account was debited with the medical aid premium and the vitality premium together. On querying it with Bianca on the 05 Apr'23 at 14h46 she advised that premiums are billed in arrears. come the next month, again, the vitality premium is debited from my account. What is it that the people at Discovery Vitality don't communicate internally? So yet again, I am inconvenienced, and I call vitality and speak to Andrew on the 07 Jun at 15h09 only to be told that he can see the cancellation, but it has not been synchronized. He has now asked for the synchronization to take place and that will take about 3-4 days. However, to say the least, the premium has yet again come off my account, and may I add that (that I have not budgeted for this). So will Discovery Vitality refund my money and how long will it take. to get hold of them is another mission. I really wish I can cancel all my products with Discovery. I'm so fed up with *********** people.