Are you serious?
They can be made out of different types of steel, different thicknesses of materials, the sizes, the manner in which they’re organized, the handles, the ball bearing slides VS steel slides VS Sealed roller bearing slides, painted, powdercoated, the wheels, the weight capacity of the whole box and each drawer, where they were made USA vs China Vs ?, the drawer liners, the available options, organizers and racks, color combinations…
When you see a Craftsman box and go “Oh, that’s nice” and then you see a line technicians Matco/Snap-On/Mac/Cornwell/whatever, the differences are staggering.
A quality USA Made box can EASILY get to $10k.