Start with arc,once you understand where the puddle is,then mig,it's hard to see the puddle in mig.Tig is good to learn too,try some oxy/acetylene time in to,great for heating things up.I'd say if like it enough take same classes
Once you air down playing in the rocks becomes harder to turn.Thought about the PSC system but cost of kit was a little high for our taste.Rebuilt our steer gear with parts from Red Neck Off Road,tap my own box,purchased a ram from psc as well as the high volume pump,or you can mod your stocker.