Share your insights or perspective on the financial matter presented in the input.

What considerations are there for making investments on behalf of a friend?
There's a sizable community of people and fiscal advisers who advocate not managing the money at all. Set your passive investor friend with automatic bank draft into a simple three/four fund portfolio of low cost index funds and never never ever trade.  See https://www.bogleheads.org/RecommendedReading.php You might be able to beat the stock market for a few years, but probably not over the long term.  Most mutual fund professionals don't.  Playing with your own money is one thing: playing with other people's money is a whole other ball game.