> Shelf space, physical distribution, and store operations, etc costs money -- but so does bandwidth, security, tech ops, etc of all of these platforms. But do

> Shelf space, physical distribution, and store operations, etc costs money -- but so does bandwidth, security, tech ops, etc of all of these platforms. But do they cost the same per unit sold? > Why isn't it ok for a digital store to require a markup to sell? It is ok, just not 30%.