22. Bring a Universal Adapter with You
Universal adapter: What you need
Est. Cost: $10-$23*
Many people overlook this hack even though it can literally save their lives. You don’t want your universal adapter to be forgotten when you travel to a foreign country. Usually, this gadget costs between $10 and $23.
No matter where you are, the universal adapter allows you to plug in your phone, laptop, or camera. A universal adapter will cost a lot at the airport (borderline outrageous, in fact), so make sure you pick one up beforetraveling.