Every product manager wants their customers to be able to buy their  product when they decide to make a purchase. 

The worst thing in the  world that could happen is that your customer is ready to buy and you  have nothing to offer to them. Grocery store product managers are facing  a situation like this. Product shortfalls are forcing them to have to  get creative. Their goal is to be able to present their customers with  full shelves. 

What kind of magic is this going to require?