Saturday Is National Use Your Gift Card Day I legit found a Bigby gift card in my jacket pocket the other day. I had no idea how long it had been in there and definitely didn't know how much was on it. It did make me stop by on my way to work and to my surprise there was about two bucks on there. Enter your number to get our free mobile app Saturday is dedicated to just that. Find all the gift cards lying around the house. Check all those old birthday and Christmas cards. The junk drawer. Look everywhere. You might have a couple in your purse and or wallet.