5) I want new people to know that the advantages of bitcoin investment is higher than the disadvantages if you take your investment plans serious.
Some people consider the advantage and disadvantage something has for them before they decide to either use it or not. With Bitcoins, there are advantages and disadvantages, but like you have emphasized, the advantages of bitcoins are more than the disadvantages. Even with the many advantages, it will still be rejected by some people because they never really try to find out this advantages of bitcoins, some know the advantages but do not just see it as important.
Could you enumerate some of the advantages and disadvantages of investing bitcoin? To justify things out and for the beginners to reflect on? Because, IMO those pros and cons are depends on how you use bitcoin. If you use it as store of value/investment the risks associated with it are all equal with the pros and cons. Pros is you're invested into a highly volatile asset that can give you good profit long term. Cons are, you didn't know how long does it take for you to make profit and there might be a certain point where you lose your faith towards bitcoin because of the prolonged bear market.
Let's just be realistic, it ain't easy investing in bitcoin like the way we think it is.