Originally Posted by puck021
I usually tip $20 if I am going to be using the Concierge to make dinner reservations/reccomendations for a several day stay. If it is a one time thing, I tip about $5. I have found that a decent tip at the beginning of the stay helps the service the rest of the time.
This is my habit, too. $5 if it's a one-off thing, but if I'm staying somewhere for a week and I expect to call on the concierge often, I've found that a $20 on day one does wonders.