Disappointed with Vodacom

Vodacom is unable to resolve my query I"be had with them since last year,I must phone every 2 months to query my debit order,today was worse I called in to follow up on my query,I was assisted by the lady who just didn't know what she was doing then transferred me to fibre department and my query had nothing to do with query:⁠-The first lady authenticated me then was assisted by a gentleman who now told me I failed authentication,this is one nightmare query,I am facing,I don't even know how much is my debit order,I've asked them several times to rather downgrade the router services so that I take fibre because ever since I took it I have been having problems,the whole dealing with one query..so frustrated shame