Even if it does wear down and doesn't meet the requirements for vehicular use, there should be some possibility of re-use or re-manufacture for fixed use, as a

Even if it does wear down and doesn't meet the requirements for vehicular use, there should be some possibility of re-use or re-manufacture for fixed use, as a home or grid-battery. That should give you a core credit on the battery replacement, reducing the cost significantly. At least one company is trying this already: https://arstechnica.com/science/2023/02/the-big-reuse-25-mwh-of-ex-car-batteries-go-on-the-grid-in-california/ https://arstechnica.com/science/2023/02/the-big-reuse-25-mwh...