The word "tip" stands for "to insure promptness." So when should you give it? Up front,of course. Sophisticated people don't take chances on poor service, they insure good service.
Jim RohnI found that when you start thinking and saying what you really want then your mind automatically shifts and pulls you in that direction. And sometimes it can be that simple, just a little twist in vocabulary that illustrates your attitude and philosophy.
Jim Rohn