Very bad service from Vodacom - Going to ombudsman

I am sooo fed up with Vodacom. I have tried to cancel a product 3 times now without success. Everytime I stay on the line for ages whilst the call centre tells me its cancelled only to get the new bill again the following month. They do not have anywhere that you can email and log the request. I have also been having major bad internet signal with both my phone and router and when I try to log a call it's "we are having high call volumes" This is ridiculous and I am seriously going to the ombudsman now.