Where all do you shop for cards?

I know the traditional retail outlets seem to be the strongest (Wal-Mart, Meijer, Target and Toys R Us are the ones I always check), but I wanted to get feedback on other lesser-known locations that might sell packs. It's been hard to find discussions about this that are kinda recent, so I figured I'd pose the question to the sub-reddit here.

I've had no success at dollar stores or Walgreen's/CVS/Rite Aid, that sort of place, but I keep hoping I'll run into a random store one day that happens to have something

Plus, all the retail stores here are practically out of everything that isn't Topps Series 1/2. :/