Your paper money means nothing. Toilet paper. Fire starter. Buy matches. Buy food.
Stuff your pillows with it. It's worthless. How can I tell you how important it is to have six months of food, precious metal, things to barter, water in barrels, soap, hand tools, pet food, bleach. You need to be clean, to have personal hygiene items, water, food, pet food, a first aid kit, medicine that will keep and anti-diarrheals, antacids, cold medicine, allergy medicine. To barter - perhaps some whisky or spirits, cigarettes. Kerosene or lanterns and small propane cylinders for light if you don't have a generator. If you do, gasoline. Personal water filters. Ammo and guns.
It's coming. Learn some skills that will insure your family's safety.