Good question! Often we do not have enough demand for certain items to keep them on the shelves. A backorder / preorder triggers that item to either be manufactured from scratch, or shipped from the manufacturer. The fastest way to get an item that is out of stock is to place a backorder. It adds you to the list and allows inventory to be allocated to you.
Oftentimes there is a fee to cancel a backordered / preordered item, so please ensure you want to keep your order when ordering anything stated as back ordered / preordered!
Yes, if you qualify for the sweepstakes, you do get your entries on back ordered / preordered items!