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How does these institutions work? Should I invest in these?

completed but not received certificate

Would like to see a video on bitcoin and cryptocurrencies in general.
I guess there are two aspects to this: 1) as a digital currency so in Macroeconomics and 2) as investment , so in Money Skills. Also, would be useful to give both sides of the coin (ha ha) in terms of whether it's desirable (pros and cons).

I think treatment of these topics is a "must" when giving advice to an average Joe investor and these topics would really lend themselves to this video series. For cost averaging consider a simple example of how the strategy works arithmetically and why it's beneficial. This would enlighten a lot or people. For rebalancing talk about maintaining risk levels and the effect of automatically buying low, selling high.

How does exports imports work describing its steps (more like, how much do you get charged for international package or ebay amazon buy/sell say from asia to america and etc)

One of your commenters pointed out that there is a time when having an Edward Jones man...
And that's when the market is turning down. He can before you can see that we are in a down market and move you to a more conservative investment.
Condemning the use of a financial advisor is a big deal. You are right I'm sure, but it is a big deal for us old guys.

What are relationships between investment sectors - thinking just domestically, what are the relationships between stocks, bonds, money markets, commodities, etc.? Are there marked tendencies that when one is doing well, another won't be? Do they behave in sequence in any way?

How would economists approach the subjects I mentioned?

Which rules/taxes/regulations affect cross-border investment?
What kinds of international investment services exist? What is the best way to invest long term savings from outside the US/EU?
Why isn't it possible to invest in ETFs such as Vanguard and services such as Wealthfront from abroad?
What kind of regulations/fees affect cross border transactions and what kinds of barriers do companies such as TransferWise face?

I consider myself the "average Joe" - I want to make sure I get the basic personal finance more right than wrong.