In my opinion even we are saving very small amount of bitcoin is more than enough to become rich with bitcoin as bitcoin will be having millions of dollars worth in future. Also, in my opinion, saving bitcoin for long term without spending some of them is not possible for anyone because financial emergency is applicable to even to multi-billionaires.
But you need to practically think about, once the start spending small amount from our bitcoin holding, how we will stop that and we will be able to hold them for long period to become rich with it. That is the reason a resolution must be followed always any breaching might lead to deviation of what we actually aimed initially.