“The biggest mistake is over-packing. People don’t know what they’re going to wear and are afraid to sacrifice stuff,” says Sarah Nelson, a professional organizer at Less is More in Miami, Florida. Lay clothes out on the bed and mix and match outfits to see what works. Choose a couple neutral colored bottoms to pair with different tops, or pick a color scheme such as “blue and white”—like the blogger behind cupofjo.com did for her honeymoon. Coordinating your outfits around one or two shades ensures you always have something that matches. For extended trips, bring a few less outfits than the number of days you’ll be away. “Wear basics several times; no one will notice,” Business Insider suggests.