Along those line, think about canning supplies, lids, lemon juice, sure-jel, check your yeast, unless you feel you can always make a started.
What extra things can you increase in your storage that will make life easier?
Say nothing happens...they would still make your life easier. Just saw a huge doe in the driveway, she would make my life easier if she were in my freezer and in canning jars. I must say, she is a beauty and I appreciate her majestic stance right now.