I much prefer all my characters to craft fully, but in any event I make as little use of the trading system as possible. Then again, I don't farm either.
I farm / craft everything, except one piece: the gold Worm ring that came up a while back from the Golden. Hmmm let me check today's.......... Ebon necklace for my tank! Excuse me, brb
I mostly do my own stuff. However, I don't believe in hoarding any particular mat/item, and think that gold is the best thing to hold (I'm not saying that is correct or not). So I keep a minimum of
Consumables and gear. I do pvp with all but accessories crafted and it works ok, though you then lack a monster set and not many are willing to do that.
All done in house, got so many mats stockpiled that I can craft gold level at max any time I feel like, even with selling discount stuff in guild stores. And also it means I get to enjoy the fury when