I purchase from Hobart a 110 volt HANDLER some 20 plus years ago, it was one of the very first 110 volt HANDLER units they produced.
I have argon gas hooked to it too. I have used it to death, sheet metal, frame material, and found it has worked great.
I welded all my frame work when I transformed the HUGE Buick 'X' frame over to late model aluminum Vette suspension. I have not had a single weld fail, period. I had never used a welder before, and it is very user friendly. Sure I did some test pieces, you should do the same, and I love my AUTO ADJUST helmet. Harbor Freight to be exact.
Miller and many other manufactures have great units out there, so DON'T be afraid of a 110 volt unit. Trust me. The duty cycle will not be an issue.
Dale in Indy