For many years we have tried to have a complete storage. We want to have every necessity that a family might need for at least a year. So, we have stocked up on medicine, soaps, toilet paper, fuel, etc. However, just today I realized that we did not have a supply of what I consider to be one of the most useful items - duct tape. How could we have forgotten duct tape? We use it all the time.

That leads me to the reason for this post. Please tell me what useful items you may have, or would like to have in your storage, that someone like me could have overlooked?