Musical instruments are challenging to master and to craft. You should consider
speaking with a professional, whether the instrument is acoustic, stringed, or
percussion. High Quality Items Worth The Price.
Those really flash banjo players are not fingerpicking, they are "frailing", hitting the strings with the outside edge of the nail (you use the inside edge to fingerpick).
If you learn "clawhammer picking" first it gets hard to switch to "Scruggs style". Google those terms ...