Crissakes. You people think you are living in a novel? geez...Count me out. Reality is enough of a challenge.
Pat Franks, who wrote "Alas, Babylon", used his personal experiences in WW1 and WW2 to come up with the list of shortage items for his book. Salt, coffee, alcohol, medical supplies, gasoline, car batteries, tires, clothes, and shoes are just some of the items he mentions.