gold can be stored in a band vault, under your bed or buried in the garden. Cell phone minutes and uranium futures cannot. By "copper rounds" do you mean ammu

gold can be stored in a band vault, under your bed or buried in the garden. Cell phone minutes and uranium futures cannot. By "copper rounds" do you mean ammunition? If so, then yes, they hold value and will last as least 20 years, or longer (corrosive ammunition from WWII is still usable).