I saw the post by Dave2 about using his torch set up to weld with. didn't want to highjack his post, but did want to comment! Several yr's ago I bought one of Harbor Freight's portable band saws, and have used it extensively to fabricate metal with. I have a chop saw, but rarely use it, as blades don;t last long, and I have to watch out for sparks igniting old rags, that I never knew they were there. Grease rags are that way, they are not to be found when you need them, and right in harms way when you least expect it.The blades and repair parts for the porta-band's are redily available from HF. They are so cheap at HF, that if I needed another one,then I will just run to the store and pick up a new one. Milwalkie makes a deep cut porta band, but my HF porta band has lasted for 5 yrs, and has had a wheel replaced, once. I have been using propane for many yr's to weld, cut, and braze with. I seem to use more oxygen, with propane, and have had to use the 2 piece cutting tips, made for propane, but the local gas station will refill my bottle even on sundays. I suppose that they may have special welding tips for propane, simular to the cutting tips, but have never needed to ask. I just use a larger aceteline welding tip.Now oxygen is another story! It always runs out on the week ends, and NAPA wont exchange cyl's with me, due to the company that I bought the bottle at, isn't part of their group. Pacific welding, is closed on the weekends, and I have to wait till Monday to get oxygen. Luckily I don;t use my torch that much, but when I do need it, nothing else can replace it. Heat rusted bolts and nuts, heat king pins, to remove them, and just about would have my hands tied without it.