I gave some money too when they asked. I think that it's still a good deal, I would not have given money if I thought that it would not be worth it. That's about the same with tips, I usually give tips, especially when I enjoyed the service.

A ship in port is safe; but that is not what ships are built for.
Sail out to sea and do new things.
-"Amazing Grace" Hopper

Avatar image of me done by Chidori.