Tipping is appropriate for luggage handlers.
A customary tip will be from $1.00 to $1.50 per bag if your
luggage is brought to your room, less if it’s just unloaded
at the front door.
Check your room service bill, it may already
include a tip. If it doesn’t, 15%-20% is appropriate.
It is nice to leave housekeeping a tip with
a note, if you don’t get to see them. $1.00-2.00 a night is
appropriate, especially if they perform any special services
or you leave the room particularly messy.