An error occurred while saving the commentAnonymous commented
Wow, you posted this idea in 2014, and in 2020 still not available. Next to the "Allow Back Orders" drop-down, if "Allow, but notify customers" selected, should be a couple of fields to enter the estimated back-in-stock date and quantity. Then, when that date comes should switch to in stock with the correct quantity. This is a brilliant idea and WooCommerce mush have included this feature by now...