I used edgars card for R900 and I was told after 1 month I owe R1154 and when enquired, I was transferred and transferred but no answer

I used edgars card for R900 and I was told after 1 month I owe R1154 and when enquired, I was transferred and transferred but no answer. My current statement is R46 but I was told if you don't owe then there won't be an admin fee. Bad and dishonest marketing