check if icemaker is on when getting to room, can be law to turn it off (so ice from previous visitor is not left)
put extra chrome cast in suitcase for travel -- include a hdmi extension.
linux os w/windows vm for work.
Universal Remote - (overkill, but useful if tv remote is not working.)
chrome cast

Bracelets for door/drinks as apposed to using a key card
Spa - with a good spa, there is always something to do. Have a few hours to kill? go to the spa.
Drink package w/unlimited water and non-well alcohol drinks.