Once you’ve put together your emergency kit, you can pat yourself on your back knowing that you’ll be prepared for the unexpected. That said, you can only rest easy until it’s time to update your kit, which you should do every six months. But here’s the good news: Keeping that kit ready in the future takes much less time than putting it together in the first place.
Both water and dehydrated or canned foods might be good for far longer than their expiration dates, but both are also critical for survival so you should keep them as fresh as possible. (If you were in an emergency, though, and realised you hadn’t been diligent, it would be better to consume stale supplies than to go without.)
Data has an expiration date, too, so keep yours fresh: