Will I be able to earn more money for 2018 with this strategy?
I already did so in the summer of 2017, leaving 60% of my Deposit in ETH for six months and did not regret it. I advise you to think about this strategy. Thank you all for your answers.
The best things or way in investing in bitcoin or any other crypto it to wait until the price of that particular crypto or digital currency decrease or become low. (Specially for those people who don't have yet bitcoin or have low budget) Because if they invest while the price is low it is better because if the price will increase maybe they profit is two times or three times larger than how much they invest. But before they earn it they need to wait for the right time that the price is increase.