People often ask how my family can travel for weeks at a time without bringing massive suitcases. We just returned from a seven-week trip through Europe, and we only packed about seven days’ worth of clothes because we do laundry along the way. One of the smartest travel items we pack is laundry detergent sheets (thanks to reader Sandy M. for the tip). Our laundry strategyNo matter how long the trip is, we try to pack only about a week’s worth of clothing. If we’re staying in an Airbnb or vacation rental, one of the first things we look for is a washing machine.