None, anything can be owned!
But the question is.... Why bother...?
Think of the greatest story of the ones who had everything, but they were eager for love, or health, and couldn't enjoy a thing they "öwned"!
Think about a natural calamity, what do you "own" the day after nature did it's course?
It's that a real "own", or just an illusion....
That's just my opinion, everything is right at the same time...
But there were times when I had nothing and I was happy, and times I got everithing I taught I need and I was screaming for something else I couldn't touch...
RE: What hard assets would you choose to buy?