Your advantage is that you can walk away if they don't give you what you want and you have to be willing to do it. It's like buying a car. You could also get th

Your advantage is that you can walk away if they don't give you what you want and you have to be willing to do it. It's like buying a car. You could also get them to come up 10% in salary if they won't budge on equity. The important thing is to get them to actually compromise in order get you on board. At early stages there are going to be tons of compromises and you need to know they can handle making them to get a good outcome for everyone involved.