Instead of the requirement for the owners to return & pick up their battery, why not charge $750 yearly for the privilege of swap and forget? If you swap, it's

Instead of the requirement for the owners to return & pick up their battery, why not charge $750 yearly for the privilege of swap and forget? If you swap, it's the luck of the draw whether you get a brand-new battery or a used one. But Tesla could use that money to cycle in new batteries to the pool, so your chances of getting a brand-new battery remain decent.