Vacations are a good time to take those long walks you never get a chance to take. Touring cities is no fun in uncomfortable shoes. Even on a business trip, you may find you do a lot of city walking. Don't take your expensive jewelry . Be satisfied with inexpensive costume jewelry and you'll worry less.
Lightweight accessories can add variety.
If you plan to take them out of the US, make sure the voltage is 120 or you'll need a converter. The power may also be 50 cycle rather than 60 cycle, but that doesn't matter for things like hair dryers and shavers. Xerox the pages you think are important, or rip out the pages you want to take. Put an ID tag on the outside and inside of each piece of luggage . In addition, to make sure they aren't likely to pop open, use luggage straps, or, in a pinch, tape.