Originally posted by spaghetti:

make new character and new world
get new character into main world where you want the ingots
load main character with ingots into new solo world and throw ingots in chest
load new character into new solo world and grab ingots
load into main world with new character at base with ingots
ez

You raise a good point. But we are not talking about circumventing portal restrictions. We are talking about the weight of ore/metal vs the weight of finished weapons and armor.