SurlyAardvark is moving, slowly but surely, on some of these goals...
Depending on the kind (style) of banjo you want to play, it’s a pretty straightforward thing to do. Plenty of books and myriad teachers/videos/training guides are available.
check out http://www.banjohangout.org/ to begin with; tons and tons of inspiration.
This goal is NOT beyond you; it’s well within reach.