Business is not so easy as we thing. Many factors will be affecting it and we can come to zero if we are careless. One of the main point is politeness. We should always be polite towards our customers even they get rude to us. We will have to deal with various customers and there character varies. Whatever there character is we should be equal to all and always be polite. Soon or later the customers will realize about our behavior and then we will be successful once they love us.