All homes are electric, gas pipes are an additional cost. All electric just means, what, 2 or 3 outlets using slightly higher gauge wiring?
You can also do things like mini splits in many areas instead of expensive, bulky, insulation-piercing, unreliable ducts.
I wonder if you could do that instead of central air. I’ve lived in houses where certain rooms don’t get AC or heat, annoyingly always mine. having one per floor, internal insulation, separate smart thermometers etc. could provide both better heating and cooling and eek out energy savings.
You can’t always retrofit just by installing a mini split head in each room (with each external unit providing 1-3 heads), as some older houses don’t have insulated pipes etc and cold can do other damage.
As part of a bigger remodel or a new build, absolutely.
it’s not quite that trivial but if you’re building new the cost is roughly the same. I live in an all electric home and wouldn’t dream of ripping out the electric stove for a gas one, or getting a gas water heater. I mean I could go for an induction stove but that is a drop in replacement