Personally, I'm holding out for a flame thrower.

I've actually built a pretty effective one, with a fuel injection pump, a one gallon plastic gas can, a Propane torch, and a motorcycle battery! It was great for taking out wasp nests from a safe distance!
John, the least expensive welder I've got cost about $500.00. It's a 110/220 volt MIG machine that can weld up to about 1/4" steel plate pretty effectively. Those laser gimmicks are P.T. Barnum specials! I just bought a foot pedal controlled TIG machine, but it's still in the shipping box it came in- - - -not even unpacked yet!
Jerry