To reduce wrinkling in folded clothes, insert a piece of tissue paper between each garment. To save space you can also roll your clothes and place a dryer sheet in your suitcase to keep everything smelling fresh (it also reduces static).
This one's so obvious you'll wonder how you've never thought of it before: put underwear and socks in shoes to free up space in your bags. Boom!
Do you find your shirt collars come out squished after a long flight? Use belts to line your collars and keep them crisp.
Rings, brooches and earrings have a way of ending up at the bottom of your suitcase, only to be found when you're unpacking back at home. But pill containers — especially the kind with separate compartments for days of the week — make great organizers for jewelry.
There's nothing worse than arriving at your destination only to realize you left your phone charger at home. To stay organized, use old glasses cases to keep your chargers and cables together.