To save on the electric bill, is it better to use 110 or 220 volt electric appliances?
Will it save more power baking potatoes for 1 hour in the 110 toaster-oven or the 220 wall oven (same temp)?
Will it save more to cook for 30 minutes on a supplementary 110 burner or an electric frypan - or simply to cook on a built-in 220 cooktop burner?
What if one is slow-cooking a stew or spaghetti sauce all day....use 110 or 220??
Is there anything to the suggestion that one should not use more than ONE optional 220 appliance at a time --and that before using the 220 oven, one should turn the A/C up high, so it won't cycle?