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.
If you know the art of trading, then holding cryptocurrencies makes no sense at all, you will always be having same number of cryptocurrencies when you are holding, but if you trade then your bankroll will also improve along with the number of coins that you hold in your wallet as well. So I guess, newbies should hold their crypto but with experience they should try to gain the knowledge of trading too along with holding your coins, this will maximize the profits that you earn from cryptocurrencies.