<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by sonofliberty:
It costs hardly anything, and maids are some of the most hardworking, underpaid people in the travel industry.</font>
Last week, I "tipped" the maids a (cheap) camera, a pair of sunglasses, a bunch of loose change, and a Hawaii Entertainment book. Moral of the story is that anything not chained to the desk might get taken as a "tip".
So no, I don't feel the need to leave an extra $2-3.