Emergencies happen all the time. Nothing is more frustrating than not being prepared for an emergency where someone needs help and you are unprepared or ill equiped to help them or even save their lives.
Putting together home emergency kits is a good exercise in being prepared.
Here are some ideas and articles about what you might need or find useful in different types of emergency kits.
"The horse [is] prepared against the day of battle: but safety [is] of the LORD." Proverbs 21:31