i think that it is better to save money in order to invest it somewhere that you might lose all your bitcoins
Investment is a high risk activities also but if you don't want any risk then hold your bitcoin till the price increase it is much more better off course to save money than to invest , gambling but you can really make profit from trading you can really maximize minimize your lose there and you have full control on sell status.
i think holding bitcoin is also risk, no doubt that all kind of investments are risky but you do not have any other option if you want to make money, ut it is a fact that in all investments holding bitcoin is a little safe investment therefore you should hold bitcoin for a some time to get profit.