Rain is a ****,*****ulent billing without my consent and terrible most frustrating support support line

Terrible most Frustrating Support experience from rain, I considered trying their wifi whilst I was sorting my fiber installations as I needed wifi for few days by which I was assisted by the consultants which seemed very helpful and would call back and try get me sorted as much as they could as I needed a once off data deal not monthly with no commitments and I was offered a deal for R199 once off sim only which would suit my immediate need I agreed and they assisted me with the online process to pay via their link and entered my card details and paid that being 15 April 2023 as per any online payment and after that I was told I could collect sim at their sandton offices which I did the same day and all was good, but soon after kept on getting emails that courier was to deliver roughter I called and notified them that there seems to be a duplicate for router which I dd not even want and consultant said could see it and canceled it, ok cool connected the sim on my router and It was working though connection was bad and I couldn't get any work done I gave up 2 days in and used my mobile Hotspot all of a sudden I was Debited R549 off my account on May 2 2023 without any contratual agreement or consent which is ******* as it means they jst freestyled with my card details and ever since I have been calling the sales and support line an it has been a nightmare which I stayed on the line endlessly, person on other end hangs up or keeps quiet until you give up,and you never get help all they want do is just create a case and get you off and when I requested an explanation to my billing, and the breakdown sent to me, I got different stories from different people who answered like it was pro rated billing, sales consulted made a mistake, they will cancel the billing I must jst use the data already Debited for the month they will sort it and all I want is my REFUND PROCESSED as I did not consent to this and I am not even using their services.