anything that made this correlation https://warpcast.com/na/0xe8beb3bd
Being kind. It's free to be nice to people. I know for a fact that this pays future dividends.
Human life and labor. A vanilla farmer in madagascar is worth more than 2 dollars a day, for example
Having a professional cleaner/maid service is low cost and returns an excellent economic value on time. Same for an au pair.