Ordered stuff (shown as "in stock") online at 10 a.m. today for in-store pickup. At 4 p.m. the store still had no record of the transaction (despite the claim on the Web site that items should be ready for pickup after two hours).
It happens that the store now has plenty of these items (but has often been out of stock, which was one reason for ordering online: to "nail them down"), but it could easily have happened that they had only one or two left and they had been sold to walk-in customers before the store was notified of my order.
MB