If you save your money then it's amount will remain the same.
But in case of investing it, you can increase the money, may be many folds.
Higher the risk and higher the return.
But with investing it you can also lose it all entirely, so that's the risk and why people suggest you should never invest what you can't afford to lose.
Don't be afraid to invest your money in something like investment thing, Just as long as you have the financial leeway to do it.
But you have to qualified which is the best way to make your money grow,property is the best one.