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 RohnDreams are a projection of the kind of life you want to lead. Dreams can drive you. Dreams can make you skip over obstacles. When you allow your dreams to pull you, they unleash a creative force that can overpower any obstacle in your path.
Jim Rohn