The Barcode Hunt

I'm a frequent Costco shopper—buying things in bulk just makes sense for a growing family. Every trip has the same ritual to it; find the things we need, avoid the things we don't, try lots of samples (a.k.a. lunch) and then... wait in the enormous lines. Many people dread going to Costco solely because of the long lines. I would hazard to guess that this is one of the biggest friction points in...