I will just take number 4 to quote with.
This is really important.
Use your own money. If you don't have it then don't start at all
I think this is not really necessary, no one decides to engage on the exchange if they don't have any money. And nobody thinks about becoming a trader if they have no economic ability (money). Basically, only people with money think about investing in other things, maybe someone will think of margin mechanism on exchanges, but to be able, they need initial capital.
I doubt that, there were still some few people who wanted to become successful by becoming a crypto trader, they started with just limited amount of money, they are those people who were not contented with their life anymore and they wanted to change something, and I've known a lot of people who has nothing and now has everything.
In cryptocurrency trading, we have a different style and different story of how we start trading. Also, for me, one of the most important in cryptocurrency trading is an investment. Make sure you know all the things you needed before you enter into the crypto world it has a lot of path, technique, and skills to be gain before to be a successful trader. If you still doubt some trials support the beginners in trading, grab this opportunity to learn a lot of things by those free pieces of training. Learning is the most powerful thing that you must have that always keeps updated what is happening in the market, so you will know when is the right time to buy and sell your coins.