What the thread title says, even if it's under $25. I think gift cards are the only exception. All links are under the first post in this thread over on SD: Microcenter - good for many stores - coupons for $25 or $20 off, and for free MC 32GB USB drive - Slickdeals.net
I used them at the one in Denver without hassle.
I used them at the one in Denver without hassle.