Depending on the rim, some weld ons lose the inners a lot. I did 3 sets back in the day. Two held ok, one constantly lost the inner.
Weld ons are a pretty shitty setup. Of all the beadlock options they are definitely the worst.
There is no self centering of the bead. If the welds dont leak, the tire bead usually does. They are insanely heavy. They have no recess mounting point which makes tightening them up an absolute chore.
Personally I wouldn't recommend running them on anything but a trailer queen.
Swamprat has run the same stauns for almost 10 years. He does ACE, MOAB, and trips to Colorada every year and they have held up so far. He did have trouble getting them set up at first but they have been good since.
The ones Ron set up have been run by a young guy named Simon for three seasons, and he literally wheels his jeep to death. Anyone that spends any time in Mclean has run into Simon and his black rubicon.
The biggest problem with them is getting them set up right. They are usually good after that, unless you let the inner tube run at low pressure. That lets mud into the bead and wears holes in the protective sleeve.
There are new versions of stauns supposedly with improvements over the previous. I'd at least look into them.
Personally, your couldn't give me a set of weld ons to run. But that's just my 2 cents.
Honesty, if you aren't trailoring, the money you save on shitty weld ons would quickly be down the road by doubling or tripling the frequency of unit bearing and ball joint failures.