Beginner Questions in the World of Cryptocuurrency

I am curious about entering the cryptocurrency world.

I have a few questions about how to get started and if there are any guides someone could supply me with, that would be great!

1.How is the value of cryptocurrency determined?

2.Is there a way for me to see all the values?

3.What are the ups and downs of using cryptocurrency?

4.In your opinion, what is the best cryptocurrency to buy today?

5.When is the best time to sell my cryptocurrency?

6.When should I invest in cryptocurrency?

1.How is the value of cryptocurrency determined?

Easy, if alot of people want the coin, the price will rise. If people dont want the coin, the price is/will be low.

3. Ups and downs? Well honestly it's like gambling, you take chances on what you invest in and you can end up coming in with $100 and walk out with 10x than depending on how to handle things.