I've now had 3 or 4 orders where I ordered multiple items, but when they shipped it, at least one item was "discontinued" and therefore not included.

They reduced the $ amount charged by the item omitted, but it still sticks in my craw that they let me order it without saying it was out of stock or discontinued - hard to believe a huge mail-order business has inventory control that is that shoddy. In some cases, I've passed up other "deals" in the meantime, saying "I don't need that - have it on order already w/ Performance" - which hasn't been true, unbeknownst to me, several times now - just a word to the wise.