What are the features that a good investor should have? What are the characteristics of people who have enough capital and earn money from money?
What are the factors that make these people successful in their investments?
A good investor should be optimistic and smart, of course investing is a risk. Nowadays, there's a lot of investment site that are scam, so a good investor should be aware of it.
He should know when, where and how much to invest. Timing is also needed for successful investment.
The riskier the investment is the more you'll earn, so knowledge and optimism is the key.
When have knowledge and ways can invest in long-term, I think it not have more risk. Even, this is also the opportunity to get rich if you can good grasp.
Example: The price of ETH fall down in October 2016 to 6$, if you know potential ETH and buy 100 ETH in that time with $600 and holding with 8 months, you can sell it with the price $300 and brought back ~$30.000, very easy if good grasp