Biggest shopping day of the year—fooey is what I say to that. But if you do plan on battling the masses out today, you better proceed with caution and safety. The Credit Card alarm will beep every 20 seconds that the card is removed, therefore preventing you from leaving the card at a restaurant or store. The same beep could notify you when someone pick-pockets you or notifies when you are pulling the card out too often, a.k.a. today. $55.