Looking passed the absolutely insane answer here, no one has even brought up the whole issue of AC vs DC. Batteries are DC, while your fridge that plugs into your wall running on AC. I know they make DC ones, but it isn’t like they are interchangeable.
I think they left out the most obvious questions-
Are you super rich?
Can you afford elective heath operations that will potentially prevent life ending illnesses or affliction?
Can you afford expensive lifestyles tailored for your health?
Can you afford to reduce all forms of stress in your life and live with no worries?