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 RohnDon't sell out your virtue and your value for something you think you want. Judas got the money, but he threw it all away and hung himself because he was so unhappy with himself.
Jim RohnAmbitious people know that everything they do and every discipline they adhere to, form the links in the chain of events that will lead them to their final destination.
Jim Rohn