>Protection from what exactly? Insurance for my groceries? https://www.google.com/search?q=credit+card+price+match https://www.google.com/search?q=credit+card+

>Protection from what exactly? Insurance for my groceries? https://www.google.com/search?q=credit+card+price+match https://www.google.com/search?q=credit+card+price+match Beyond that, making a purchase of an electronic device with a credit card can extend your warranty. Don't know if that applies to Germany, it may apply to where ever the person you are replying lives.