In addition to knowledge consistency is needed in investing, while success or failure depends on how a person plans the investment he is making. Investment requires money as the main requirement to run it, if you have a little capital to start then the profit will follow the adjustment of the capital, whether you become rich or not depends on how much money you use to invest.
Talking about investment reality will bring you to the stage of wealth if you have large capital and you know the right moment to buy. Profits will be proportional to the capital you have and the greater the capital you place, the greater the profit you will get, that is the actual investment formula logically and in reality.
Large capital experienced investors are trying to invest in more reliable areas, such as real estate and the like. In this case, the profit may be less, but for that there will also be less risks. A cautious investor would rather buy a hotel than invest such a huge amount of money in bitcoin, knowing about its high volatility. Moreover, bitcoin will also not be able to always grow in price at such a high rate, and someday this will change. And the hotel is able to bring a stable income, without big surprises.