Hello everyone, I'm in the market for an oxy-acetylene welding/cutting
set but I have a few questions before I make my purchase. I have done
some stick welding before but never used gas so I'm a little nervous
about the safety aspects. I want the set for making sculptures out of
scrap metal parts and I wanted the most flexible tools I could get. My
questions:

1. What can't I do with oxy-acetylene? Or, is there something of
comparable cost that would be better for me to use?
2. I'm going to have the tanks in my garage at home, which is about 25
feet from my house and my neighbour's. Is this legal, are there any
regulations about residential areas I should know about?
3. What is the best reverse-flow & flashback configuration ( at the
torch or tank or both)?
4. The Smith booklet takes about '4 preheats' on a tip, what does it
mean?
5. My garage is unheated, would this be a problem in winter when
everything freezes?

Thanks very much in advance for your help.
Adriaan