Terrible Customer Service - almost a whole year on a single query

I have a Builders RCS store card. I tried buying electricity on the 28 October 2024 using their USD *120* line and the transaction went through but I didn’t receive the token for R450. They have been bouncing me from pillar to post to their suppliers including Blue Label but no one has assisted me however they continue to charge interest on the electricity amount every month on my account. I made another desperate purchase on the 24 April 2025 before payday for R280 electricity and the something happened. The amount was debited but no token was received.I have called them over 10 times and nothing is happening. I continue to incur interest monthly for both amounts. I want to close this account due to the poor customer service experience however before requesting a settlement amount, I want these two transactions resolved including the undue interest charges on them. I strongly advise everyone to refrain from opening an RCS account. You will be charged twenty different interest charges and fees overheads making your monthly payments ineffective in settling your balance leaving you stuck with them in perpetuity. Their service is terrible. No responses to queries.