Precious metals are items with intrinsic value as a standalone. Unlike currency notes which can be printed, precious metals are of limited supply. This could be a method of storing resources if from a verified source. Interest rates on stored cash in the bank is of lesser value than 30 years ago. Thus, exploring newer means of storing wealth is justified.
A broad understanding about money is necessary for every citizen of the world. A class in economics cannot give one that. There is widely distributed information online which have summarized the concept about money. A summary video on the concept of money is provided at the end of this post.
See also:
Hidden Secrets of Money – What is Real Money?
Hidden Secrets of Money – Why is There Inflation and Imbalance of Wealth?
Hidden Secrets of Money – The Hidden Truth about Money
Hidden Secrets of Money – How to Make Yours
Hidden Secrets of Money – World Rich List by Country Natural Resource Reserves
Catchment of Resources 
There is a lot of value in trading in stocks and shares usually do well when u invest in larger companies most of the time, we often over look gold and metals, just think of crypto, thanks for sharing this nicholas.
Yes David, you’re right. It’s good to hear there’s value in the post for you.