There are several aspects of business that can only be learnt through actual experience. One of them is negotiating contracts.
Several people fear the negotiation process because it is an intrinsically uncomfortable process. Asking for more money or making personal demands doesn't come naturally to everyone. But with the right toolkit, you can breeze through contract negotiations. And you'd better get used to it, because you'll have to handle a lot of contracts whether you're a business owner or a company employee.