Cris , you are in the right forum . All the information you need is right here . Start at the first post and read . There are no ready lists of tips and info .
I don't want it to seem like I'm withholding any thing or being mean or something . There are questions that you haven't thought of yet so can't ask about . Reading ALL the posts in this forum will answer your questions BEFORE you even think to ask them .
As for the questions you asked , those answers are here too . As stated Lou (DCBluesman) sells the nibs and holders , Taps and die sets can be bought from Harbor freight and various other sellers on the net but the special sets that the kit pens use (Triple start) have to be special ordered and are quite expensive .
Anyway , read the whole forum and get ready to start MAKING pens instead of just turning them . Good luck and Have fun