9. Use your bidet
Many Americans have no clue what a bidet is good for. We know. A sanitized bidet is the perfect washing machine for hand laundry. Were big fans of Woolite, since a 3-ounce bottle (the size allowed aboard an airplane) lasts up to two weeks if you only use it on underwear and socks. Most hotel rooms are BYOC (bring your own clothesline). That string hanging from the wall is meant to summon help if you fall in the tub.