Networking is hard, especially if you are just starting out or pivoting careers. You will likely need to reach out to people you know well, those you haven't spoken to in a while, and even people you don't yet know to grow your network and opportunities.
Networking is a foundation. Each time you create a new connection, you create a new opportunity. A new point that might lead to a job, a new business opportunity, or the ability to help others in the future. Make networking a habit!