The thing about, say, cropland is that you can't take it with you. If the area where you own that cropland suffers from political instability or a government th

The thing about, say, cropland is that you can't take it with you. If the area where you own that cropland suffers from political instability or a government that decides to confiscate it for whatever reason, that land investment is effectively worthless. I believe it was fairly common for some religious and ethnic minority groups to keep some of their wealth in gold exactly because they could carry that with them if they were forced to flee.