Increase sales by offering more goods arriving quickly or selling backorder items while they are out of stock. Increase sales and beat your competitors. By using Pre-order keys, you can automatically swap Add to Cart for out-of-stock products. For coming-soon items, simply display a Pre-order button. Loss of popular features from other applications: Enjoy More strength and ease. We offer pre-order stickers, mixed cart reminders, email delivery, name tagging, and pre-order discounts.