I have no doubt it is also pretty expensive to make. Eink screens of that size have certain price. Other parts likely are not cheapest possible options either.

I have no doubt it is also pretty expensive to make. Eink screens of that size have certain price. Other parts likely are not cheapest possible options either. Volume is likely also pretty low, so tooling etc. isn't shared over that many units. Not that it isn't expensive for what it does. Just that it probably isn't cheap to make.