I'd be curious to know if those sets include more than just plain bricks.
https://www.bricklink.com/catalogItemInv.asp?S=10698-1 is an example, doesn't include just bricks, but things like windows and wheels
alt Hacker News
https://www.bricklink.com/catalogItemInv.asp?S=10698-1 is an example, doesn't include just bricks, but things like windows and wheels