We’re all well aware of the additional factors, though some of those you pointed out (like shade for your car increasing visitation time) are a bit weak. But re

We’re all well aware of the additional factors, though some of those you pointed out (like shade for your car increasing visitation time) are a bit weak. But reality sets in and the world isn’t without scarcity yet. Therefore we have to pay attention to things like cost. You also assume that their savings won’t be needed for something else. Who’s paying for the next installation after this one needs replacing after 25 years? The $2m they save over 25 years isn’t enough.