If you are still thinking about becoming a Personal Assistant, here is today's tip. Network, Network, Network! The power of networking is invaluable. Tell everyone you know what your goal is. Many PA's have obtained their job by word of mouth. Sometimes this requires rendering services for free or at a lower rate in the beginning if you have no prior experience. You can also look into doing internships if you are a student.
Here are a few resources to get you started