It looks like the answer is in the question; you want to be an entrepreneur. It is very realistic for most people, though also probably _very_ difficult. For you, my guess is it is more than just "realistic", it's what you're going to do. But it's still very difficult.

As for resources, http://theleanstartup.com is a great one. This method is all about getting something (valuable) into users' hands ASAP so that they can give you the only feedback that actually matters.