So, I've used Rick's packing list a few times. I admire its minimalism and practicality. However, I've always had a question about it: does this list include what one wears on a flight over? For example, he recommends packing 2 pair of pants or shorts and 1-2 pair of shoes. Does this include the pants and shoes I wear on my trip over?
Two quick laundry tips: black binder clips from the office make great makeshift clothespins, and they come in handy for resealing a snack bag, as a book mark, and a host of other needs.
Second, I found some laundry detergent sheets (made by ECOS) that are a fraction of the space/weight of liquid detergents. One sheet does a full load, and they can be torn into smaller portions for a quick sink wash-up. Just keep them dry until you need them.