Trial and err does have a lot to do with it, but that has been part of the fun for me. Part of giving up analogs is finding something to do with the time you would normally spend smoking, and all the options in
vaping are really more of an asset than hinderance. Try them all, without getting discouraged or intimidated and decide what is best for you. I remember reading about dripping for the first time and thinking "what a PITA, I DONT want to mess with that"; a couple months later, dripping is my preferred method and is really no more trouble than the process of having a conventional cig.....but with much better flavor.
Welcome and look forward to hearing your first impressions of the new PV when it gets there.
(don't forget to blow out the primer fluid from your new attys before first using them)