Being an entrepreneur-in-waiting makes you a very special breed of cat. Over the last couple of decades, I have met and mentored many men and women with your passion, and you have one stellar advantage today. The Internet was designed to be your natural habitat, and unlike American business history in my generation, where entrepreneurship was an expensive undertaking, today it is essentially free at the beginning. Take maximum advantage of it.
Drop by my website, Jericho Technology, someday if you would like to get acquainted. Also, my blog articles may help you.
Another option is to visit StartUp Professionals Musings. This website is run by a brilliant entrepreneurial mentor, Martin Zwilling, who writes daily articles on entrepreneurial issues, mentors extensively, and even serves on a variety of Boards and frequents Angel Investor meetings. He is knowledgeable and available. He is a personal friend and one of the finest men I know. He is also an author of various pieces in Forbes and the Wall Street Journal.
Just one last bit of advice, that if you take it will make your life as an entrepreneur exciting and fulfilling: On your way to making a profit, in the words of Guy Kawasaki, "do something that matters".