There is nothing I can do

As per usual insurance tactics, my monthly premium went up while my car depreciates, without any notification. When moving to discovery insure I was told that I would have a review once a year, this has not happened. I then called out of my own after an unexpected spike in my premium. After a fuss they only brought it down by R30 after they had already spiked it by over R100. When I was not happy with this new quote I was told by more than 1 consultant that there is nothing they could do. After filling out a dissatisfied customer service survey and shopping for an alternative provider, I got a call from Discovery bringing my insurance down on a new plan. I asked to review the plan and call me back two days later. Still no call. I then called Discovery asking them to get the original consultant to call me back (yip this interaction was recorded) and still nothing. Funny that its the day before my next debit order is to go off. Coincidence? Or maybe its my fault? I sarcastically asked to have my call returned before Christmas. The customer service is shocking and nobody assists able to assist. A pity for discovery health who has been awesome - I plan on boycotting the entire brand.