Advertisement - Members don't see this ad
If you're thinking about going after this dream, but you're a bit older, take a look at this SDN partner site. It has a good, basic overview of the concerns of the older non-trad. Good luck!
http://home.gwu.edu/~grasso/ntmed/medselfd.html
http://home.gwu.edu/~grasso/ntmed/medselfd.html