A customer ordered a box of boxes from The Packaging Wholesalers via Amazon.ca, but received incorrect items, including granola and Harry Potter coasters, multiple times. The issue was caused by the barcode scanners at Amazon.ca picking up old stickers from the box company, which was also used by the granola and coaster companies. The customer eventually figured out the problem and contacted Amazon support, but not before receiving multiple incorrect orders. The customer's experience highlights a systemic issue with Amazon's inventory management and customer support.