As humans, we tend to have a need for immediate satisfaction. These needs keep increasing on dialy basis, if one decide to go by all these needs, one may end up without a saving.
There is a need for financial discipline, you have to master the art of keeping your wants under control as you mature and have financial responsibility. Without responsibility, having money always available to you may not be important, but with responsibility, you understand the need to stop spending money wastefully.
What do I mean by automatic saving? Automatic savings is a type of personal savings system in which the plan contributor automatically deposits a fixed amount of funds at specified intervals into their account. The typical structure of this type is an automatic transfer from an individual's bank account into a savings or investment account.
Saving in fiat is not the best, but someone who develops the habit of saving will do well with a similar DCA strategy when they begin to buy and want to keep bitcoins.