It’s complex yet very simple. Can be played by a small or large group easily. Teaches logic, reasoning, and deduction over “outscoring” your opponent. Being the dealer doesn’t give you any advantages if you play it right. And because of all the various permutations of the cards, it’s always a new game each time vs a number of set scenarios/strategies.
If you have the ability, a tool like YNAB (You Need A Budget) might help.
Here’s a link to the setup video showing the app and its contents. It’s an hour long, but I think it does a really great job of covering the concepts and hitting on what you’re talking about here.
https://youtu.be/wdGhrEKkxsM
I have no affiliation with them except having been a customer for ~10 years now, but it’s done wonders for us. Check it out!