Vodacom *****ing Airtime

Vodacom *****s my airtime by subscribing me to these v live services. After several calls to the customer care and getting the assurance of several managers that my number won't be blocked permanently from these services, they subscribe me again. It takes time and effort to call the centre speak to a manager and be **** to. Please sort this out once and for all. Vodacom suppose to have a double optin, I dont even get a single opt in, just money goes off.