<p>Add the ability to back-order any product or item. This should take inventory into consideration, so that the Seller can either pre-sell against an anticipated Inventory or accumulate a separate &quot;count&quot; of back-ordered items independent of their current inventory.&nbsp;</p>

<p>In addition, estimated dates available, as well as a notification feature based on SMS Text Message, Email and Push Notifications (for the mobile app version of this feature) are necessary as well.</p>
