Once bought spark plugs for my car from Amazon. I got three new ones and three from the Amazon Warehouse since those were about 30% cheaper and I figured what c

Once bought spark plugs for my car from Amazon. I got three new ones and three from the Amazon Warehouse since those were about 30% cheaper and I figured what could be wrong with spark plugs? Got the right box, wrong spark plugs. Returned them. Re-ordered. Got the same spark plugs. This time I marked the boxes with and plugs with a permanent marker. Returned them and reordered. Got the exact same ones. Finally returned and ordered new ones. I am sure those same plugs are still in the mail going back and forth between Amazon and frustrated customers years later.