|Successful people usually have vast networks, whether social or personal that they can call on to get help, recommendations, or support with their endeavor.|
Look to build up your networking skills to help you achieve success.
If you have a job interview or sales call imagine the difference if you don't know anyone at the company vs. you know the interviewers brother or the buyer best worker is your friend.
I've gone on interviews where I was known by the boss and these are very different from the interview where people don't know of you.
Check out on a Books on Networking if you need help here.
Make sure to keep your network active.