I think it would be a fun and useful hobby and have done a bit of research into it recently. I took two years of welding as electives in high school, and still weld quite well. Cost of entry isn’t that high, you really just need to start with a furnace, anvil, and some hand tools. Some folks begin with a few basics, then make most of their own tools. The materials to work with can be very inexpensive or free, I’ve got lots of old steel farming equipment that could be chopped up, already have a torch and welder. If it ends up becoming a hobby, it won’t be long before it’s out of control.......