Disgruntled Netstar client... Never choose Netstar!!!

I joined Netstar in July 2019 and have been paying my premiums since then until now... my tracker apparently stopped working in November 2019. So basically I've been giving Netstar money for something that isn't even working for the almost 2 years now?♀️ They have been sending me these alert messages at such random times, which shows that they just send stupid messages unnecessarily, the panic button doesn't work, the have never sent me a single trip report ever since I joined and now when I request then for my tax returns they keep hanging up the phone coz they don't have the answers since my tracker wasn't working so the don't have them, meaning that I am losing out on my return from SARS coz I don't have my trip report... when I request to cancel or downgrade my tracker option they tell me about certain fees that I have to pay... I mean, is that really fair when I've been paying for something that doesn't work for the past 2 years? They sent a technician to come and fix my device and even then it still doesn't work... he came to "fix" it in June and told me it would work... but it still didn't... so am I the idiot who should still be paying people for not doing their job? I have stopped the debit order and now the are getting hybrid collections to call me coz they want their money... what money exactly coz my tracker and even my panic button aren't working? So what exactly should I pay for? I'm tired of being used by these people.... please don't ever trust Netstar, they are the worse and their customer service is terrible... they will hang up your calls when they can't answer your questions.