Not much and impossible. If everybody were wealthy, commodities would turn into possessions and there would be no reason or desire to trade, sell or barter. Whenever someone is wealthy, someone else has lost something for that to happen. There is no wealth if there is no poor. For example, If someone were on a wide open plain, and had a treasure chest full of jewels, shiny rocks, and a few chickens, they would not be wealthy until they gave away the chickens for some food from the poor guy across to the hills in the Northeasterly direction. The poor guy works hard growing crops so some rich guy will trade their chickens for it. Wealthy people know that without the poor, they have no way to gauge if they are rich. The weight of a good heart is worth more than all the gold in the world.