Without their understanding and support you're going to fall on your face. And you're going to be managing relationships with other businesses and professionals. Networking with others who are actively pursuing similar goals will facilitate your success. Even working with your competition will help you in the long run. Well, let's start with communications.
Writers recognize the basic principals of communications.
And, they work diligently to shore up their skills. Public Speakers do, too. The most difficult aspect of communications is recognizing that it's a two-way street. You'll learn that the people on the other end are very astute. It won't take long before the word gets around when you speak with forked tongue.