How dare they invest if they don't have a basic knowledge,
which is certain in any case at least we have basic knowledge because it is important so that we do not do careless actions,
I think learning is mandatory and hopefully beginners will do that too
We all try to advise new entrants to learn before deciding what to do, but most of the people don't care about that, not even ourselves in the first place when we know this market. It takes money, time and effort to get the results you see now. Most of the results will be paid for by the above, and newcomers to another field will experience such things.
