You did leave them out because most people _want_ electricity in their datacenter, or have DR, etc. These aren't free. And colocation is not free -- you pay fo

You did leave them out because most people _want_ electricity in their datacenter, or have DR, etc. These aren't free. And colocation is not free -- you pay for all of those things on top of the hardware you have to plan for peak cycles on. Nor what you were talking about in the OP, hence ignoring colo. Please don't move goal posts. This is HN, not reddit.