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 determine that you will hold that coin for long time, not trading usually, you just need to choose good and safe coin such as ADA, ETH, Bitcoin..If not, you must know to analysis chart to buy right time and it requires more skills from you