Hello.
Answer in Question 1):
Because are the most important Products and Goods in this World.
When you eat for last time ?
Possibly, 1 Hour or 2 Hours or 3 Hours or 4 Hours or 5 Hours ago.
But if you do not eat after 1 Hour or 4 Hours or 8 Hours or 12 Hours or more from now, what will happen to you ?
You will start to starve.
That is one Big Answer why we trade at least the Grains (Corn Soybeans and Wheat).
Which is the most important Product after the Air and Water or the Water and Air ?
Which have the 3rd rank in importancy in this World (possibly) after the 2 above things ?
The Milk.
Without Milk can not survive the Human Babies of this World.
Many Women does not have Milk for to give it as Food to their babies and depend in the Milk that buy for to give it as Food to their Babies, for to do not starve and died.
For to exist Milk and we speak especially for Cow Milk,
because the Majority of the Milk in this Globe,
producing from Cows,
need a Product that produce in huge Quantities, USA, Brazil and Argentina and a small Number of Countries in this World.
Soybeans.
If USA, Brazil, Argentina esecially, does not send with Ocean Vessels,
Soybeans in many Countries of the World, be sure that the World or a huge part of it, it will starve.
We listen that China is a Big Country, European Union is a Big Union with almost all the European Countries together,
but all these Countries, have to eat without to send the USA, Brazil and Argentina, Grains to them ?
All of us, listen that exist troubles in Crude Oil flow, from the OPEC Countries, the Gold have raise because of Financial Problems but all these are funny Stories when you compare it with the Value of the Agricultural Products and Goods.
If you do not consume Crude Oil or you do not buy Gold, it will happen something to you ?
Nothing.
If you do not consume for example, Grains it will happen something to you ?
Yes. You will starve.
Answer in Question 2):
The Risks are enormous.
In a little, possibly, seconds you can lost a huge quantities of Money,
because of the News and not only, that will arrive in the Agricultural Markets and you will learn it possibly, after many other Companies small or big and other People.
You have to compete with Huge Multi-National Companies that have Huge Human Resources, Huge Technology Abilities, Huge Amounts of Money to spend for Agricultural relative Informations, that possibly someone like an Individual Investor can not imagine.
Answer in Question 3):
With Personal Work.
You must spend additional time for to do your Personal Research,
to find Sources of Agricultural Informations and also to contact with other Old, especially, Traders and Brokers that have many Years in the Agricultural Markets,
for to learn things and to listen Stories, from their Experience.
Answer in Question 4):
Exist many Good and Ethical Brokers in this World.
Dislike me right now, to make Suggestions to you.
Be aware, that you need Quality, Speed and Accuracy, to put your Orders in the Agricultural Markets for execution.
Also, you need to study,
the Software of the Broker/s that you will choose and the Way that you will send the Orders to your Broker/s, before you make any move.
Best Regards,
George Kanellopoulos.