Saying &#x27;you will live like a king&#x27; is not the smartest thing. He should have said:<p>&#x27;Please consider that your local living costs are much lower than in Switzerland. We incorporate those differences in our offered rate like every other company does. Thanks for your understanding.&#x27;<p>So the tone was—yes—unprofessional, the attitude not. And even if this attitude is debatable, you have to allow the other party to express reasons for a lower offer in a negotiation.