I personally use a half-half, i invested too and save money too. i invested in bitcoin, although invest in bitcoin is risk, but hey i'm bitcoin fans 
and want to invest in commodities too.
a half i save for daily needs.
and want to invest in commodities too. a half i save for daily needs.
It is better to diversify our investments rather than depending on a single product, I would choose gold over bitcoins when it comes to an investment, as bitcoin is a new born baby and gold is traditional and also gold shares more market cap as compared to bitcoins, so I would invest partially in bitcoins and partially in the gold.