I wonder how the delivery service handles out-of-stock items. The Trader Joes I shop at is routinely out of basic items. They told me that they have to restoc

I wonder how the delivery service handles out-of-stock items. The Trader Joes I shop at is routinely out of basic items. They told me that they have to restock several times a day, because the store is too small to have much product on the shelves.