The truth about crypto currency is that it is more about hodling, technically, crypto is hodling.
Most people that has been able to take profit from crypto currency trade or investment are those that have mastered the act of hodling.
Knowing when to hodl, when not to hodl is an important skill you need.
Crypto market is very volatile and i think holding will not guaranty you to earn huge profit. What if the value of coins you hold drop down drastically and after that ,it difficult to recover? Maybe if you hold bitcoin and ethereum, you have a good chance to earn from holding. In crypto,you should always be ready if what will happen to your investment because investing in crypto is not all about profit. Invest carefully and take all the risk and always "Invest only the amount that you can afford to lose".