UBI.

$500 per adult per month (~$1.4T) - existing welfare.

for $1000 per month it would cost $3.1T.

What about the children? $1,200 for every adult + $400 for every child 4.1 trillion/year

The federal budget is 6 trillion/year.

There would need to be deflation for 1,200 a month to have the buying power of the average income now. Right now that's minimum wage.

Sweet, let's do that, but it still will be more environmentally friendly to bike the burrito down the block than to build & maintain a robot.