Most rented bedrooms in my area dont even have built-in lighting. Its all floor and table lamps, usually on a smart outlet these days

Just fyi, Watts is a measure of power, and WattHours is power over time. So your home network and server consume 130w, which would be 130wh after an hour, or 3120wh after a day. The chest freezer would be 400wh in a day, rather than 400w in a day.

They are treated like letters because they arent instant, like letters. Hell, some emails could take full minutes to send.