MWEB overcharged me by 2790 in one month and are not refunding me

I recently upgraded from ADSL to 50Mpb fibre with Mweb through an online purchase. their promotion stipulated that installation, connection and router is free and i will also get one month free subscription. to my surprise at the end of the month they deducted R3500 as opposed to the R729pm they normally charge me. I tried to resolve this by calling them over for the past two weeks with no assistance. firstly they constantly drop my calls or move me to numerous different consultant who promise to help and update me on the progress. i finally got through to someone who seemed competent who promised me that i would be refunded in 3 working days. 5 days passed and I call them again and was told that my matter was escalated to management. the matter was only escalated when i enquired. these guys do not give a damn about their customers. the inconvenience of someone taking money from your account without your permission and for them to drag their feet to resolve it is totally unacceptable and speaks volume of what they think of their customers. The airtime i have wasted in speaking and holding with over 20 different consultants for the past two weeks making empty promises has driven me up the wall. do not use MWEB they clearly do not recognise their customers and are not willing to help to resolve problems that they have created in a timeous fashion. There are harsher words I would like to use to show how terrible this company is. Customer gone and i will make sure i share my dissatisfaction with any and all who are willing to listen. #mwebmustfall