Its advisable to invest as more as you save,but let's also normalize to Work with a financial professional with the expertise and experience to keep you on track.
Seeking financial professional or manager is when you have a lot money and you don't have any time to think about investment anymore, since most people aren't multi millionaires or billionaires, it's not worth to seek their help.
I will not be too fanatical about any investment because banks are still needed, including their parents choosing banks because they have been understood since decades even though the world of investment has now changed a little, there is no need to save in the bank, but with parents saving in the bank they can easily withdraw anytime.
Or you can hold gold in IOU version, whenever you're need money in hurry, you can just sell your gold since it's liquid and the price relatively stable.