There was a song (still is) and sometimes we quote it to each other when we joke with friends (it is in Russian), so it goes roughly
Press a button
You'll get a result (in a sense you will get what you wanted)
And your dream will come true
Why are you not happy?
There is nothing you can dream of....
Happiness... This question has been answered so many times. To cover your basic needs you need money, but when you get enough money and get things that you wanted - then you come to the point when money/things don't make you happy.
You need connection with others, friendship, love, acceptance, belonging, contribution.
The idea that self-actualization is happiness. Nobody can buy self-actualization.
I might be wrong, yet I don't think that too many people get to that point. Instead they settle and then delude themselves that EVERYTHING IS FINE. But they overindulge, why people are lonely? Are those unhappy people have no money? You tell me.