Just save a parentage of every money that you earn just put it on the side, this way you will be able to save money.
It is just like holding on to Bitcoin hold on to your money and not spend it.
Everyone knows that is the key to save money if you don't spend all you earn, but it would be far better for someone to save the money and buy bitcoins from what he is saving, in that way he would be earning some extra profit with the time because the price of bitcoin increases with the time.