I’ve got the credentials to back it up, but it’s an extremely rare day I’ve ever been asked for ID. If they ask, just say you don’t have it. It’s that easy, get 10% off! Heck, there’s a restaurant that I like that does 25%!!
This veterans day, take some valor for yourself! You’re a class war veteran!!! 
Easy duck and dodge for things you need to sign up for - just say “eh, maybe later, I don’t feel like screwing with it”.