When you buy through links on this page, HuffPost may earn a commission that helps support our journalism. Every product is handpicked by the HuffPost Shopping team, and prices and availability are subject to change. If you’re the type of person who wants to be prepared for emergencies (and who among us doesn’t?), you might already have some basic necessities at home in case disaster strikes . Batteries. Water bottles. Extra toilet paper. Non-perishable food. A flashlight. A first aid kit. But