The Logistics of Checks to Everyone

As a bureaucrat when I see proposals to send checks to "everyone" I immediately jump to the logistics.

I know we've done this in the past--I think in the GWBush administration.  Google that and I find this:

In 2009, the Economic Stimulus Act sent out $14.2 billion in stimulus checks.1 2 The one-time payment went to recipients of Social Security, Supplemental Security Income, veterans, and railroad retirees.

Note that's far from "everyone".  Others, the employed, got a tax credit. This was part of Obama's stimulus.  As for GWB:

The year before ARRA, the George W. Bush administration sent out stimulus checks to battle the 2008 recession. It spent $120 billion in fiscal years 2008 and 2009.1 It rebated taxes on the first $6,000 of income for individuals or the first $12,000 of income for couples. Stimulus checks were mailed out as follows:

Individual taxpayers received up to $600.4

Married couples were eligible for up to $1,200.
Households with children received $300 per dependent child.
Rebates were reduced for higher incomes at $75,000 for individuals and $150,000 for couples.\

Around 20 million retirees on Social Security and disabled veterans also received checks for $300 if they earned at least $3,000 in benefits in 2007.4 Couples received $600.

Everything from this site including a discussion of impacts.

The problems with "everyone" is the government doesn't have a database with everyone in it, unlike say Estonia or India.  So to issue checks Congress has to cobble together databases from across the government.