Charging an electric car through a standard plug is the slowest charging method available. Unless you already have an outdoor plug near your driveway, plugging into a standard socket means running a cable out through an open window or door.
It is also not recommended as your primary charging method because standard sockets are not ideally suited to supplying high levels of power for a long time. Extension reels or cables should not be used at all, as they are not intended to carry full rated current for lengthy periods and can overheat.
Newer models also typically offer smart features that allow you to track you’re spending and switch the charger on/off remotely, meaning a home charger will give you extra information and control, as well as the extra speed