relentless upselling call centre calls

like others on this website... you sign up for the R69 (because the insurance company make you do it), then they can't fit one for 3 weeks - i suspect it is so that their call centre can then phone you every second day to try and upsell you to a maintenance contract, service contract, more oversight, etc. And everytime they phone you, you have to answer the long list of questions to make sure you are who they have in front of them... MOST ANNOYING