My latest article with Inman News just came out.  When you negotiate, do not gloat over your victories.  Instead, make the other people involved fee that they did well.  Point out every concession you make so that they can value the victory that they accomplished.  When they feel that they have gained something, they will be more willing to let you gain something in return.  To read the entire article with stories about my clients, go to http://tinyurl.com/pyd6aqo