[iancmceachern]

They cannot, just like the chips they are made in very large, expensive plants. There are only a handful of display manufacturers, especially as yoi get up to big panels.

Your foundational analogy is faulty, smartphones are not easy to make.

You can buy some chips for cents, that doesn't mean the factory that made them is any less amazing or difficult to build and operate. The cost of the individual product doesn't necessarily tie to the cost of the plant.