jealousy
Some people are born wealthy or attractive, and no amount of self improvement or work will get us to the level they are. Is it valuable to be jealous of them?
money can't buy happiness. Fulfillment, happiness, and eudaimonia can only come from the work you do, and are entirely within your control.
I do recognize that this note is a bit naive and trite, I talk a bit more about the nuances in money can't buy happiness and anger