I suppose the real problem with this is some form of a game-plan, determining who needs what. So I guess what I'm thinking is a system that would require some flawless AGI to determine what group needs what resource at what time, to further the general human endeavor, rather than people getting what they want/need based on how much money they can amass,
You're re-inventing Soviet central planning.
I had no idea that the communist party was a flawless AGI...
How much money would it take to engineer biological immortality for at least half of the world's population, within 20 years, with 99% confidence?