Have a toolbox of negotiating tricks up your sleeve. Just as in a job interview, you'll want to have a list of things in your head that you can use to strengthen your negotiation. Think about your strong points and figure out ways you might be able to bring them to the hiring manager's attention. For example, I often ask, "What qualities make someone do an extraordinary job in this position?" If they say, "The person should be very focused on metrics," I say, "That's great that you said that--we're really on the same page. In fact, when I was at my last company, I launched a product that used an analytical package to..."