Car keys have evolved into highly sophisticated electronic devices that contain a battery, transponder chip, and PCB. It starts with creating a blank key, cut using automated key cutting machines worth thousands of pounds. Once the blank key is done, the dealer or the auto locksmith programs the key and adds a code to maintain your car’s security. The licensing of the programming tools they use can cost tens of thousands of pounds. You pay for these, plus the time and labour they spend to create a new car key, are the things you will pay for. But ultimately, you pay for your mobility and your car’s security—something you shouldn’t skimp on.