I hate to be the one to break it to you, but humans don't really need to work anymore. Here's a shot at how to get from here to there.
Some of the people don't have jobs.
So have the ones that do work less, 4 hours a day instead of 8.
But then the ones working less won't be able to afford the shiny things.
So make the shiny things free. You can start with cheaper. You know, ease into it.
How do we make the shiny things cheaper?
You have 7 billion minds on the planet. Surely someone can come up with something. In fact, someone somewhere, or a team of someones somewhere can solve every logistics problem we face. That's what got us to the top of the food chain.
How ridiculous is it that an hour of your time is worth $17, and an hour of your equal is only worth 17 cents?
No wait, he's not your equal? You've been through highschool, and bullying, and endless hours of regularly scheduled programming. He's been living in a hut washing his hands with water you wouldn't piss in. You're more skilled, more qualified...