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.