Those people who are interested in bitcoin they come for investment and they buy bitcoin because they need it for online payments so with out the market price and other usage of bitcoin they comes for bitcoin buying and they hold it for future because they know that crypto is the valuable money in the future and it is also a money for us.
I agree on you, investment is one way of getting into big earnings at all. It will give you a justice for more efforts you add on. In bitcoin many people become instantly rich because they give everything that needs to the project or bounty campaigns. Making money is for real in bitcoin and this is advantages on us.