

Maybe the value of real estate held by corporations is assigned proportionally to the shareholders? Maybe the tax rate is determined by whichever intermediate owner results in the highest rate.
I don’t see why you can’t make it enforceable and effective with less complexity than the current tax system.
In what amount of time? I don’t see a load of laundry costing more than a dollar in energy costs.
How much extra time do you have to spend to save each dollar?