Negotiation is a big part of meeting-planning culture. Everything is up for negotiation: hotel rates, meeting-room rates, parking, food and beverage, and more. To perform your job professionally in this field and to serve your religious organization well, you must become a skilled negotiator.
You are more valuable to your religious organization if you bring added value to it. If you are a skilled negotiator, then you are providing a valuable service to your religious organization.