Investing is extremely risky, as the chance of loss is high and it may be a big loss. But there are also chances for high rewards. Relatively low risk investments are good options, Investing/trading is obviously better ONLY if you are able to control risk and be among the small % of people who win long-term. Saving is better, for most people, Saving money is always a good option too, but I am not sure which one is better.
Investing is not extremely risky as long you know the things to consider when doing that. Investing is one of the common way to earn passive income with bitcoin and have a lesser work to do because your money will work for you while Saving is good for people who wants to do investment so they will accumulate enough profits or money first before investing.