As the OP is talking about moving to where they can go car-less (good for them), the NW's excellent climate for battery longevity is probably moot, and doesn't outweigh the cost of keeping the car when it's unneeded.
Guy [I have lots of experience designing/selling off-grid AE systems, some using EVs but don't own one. Local trips are by foot, bike and/or rapid transit].
The 'best' is the enemy of 'good enough'. Copper shot, not Silver bullets.