Think even consumables like brake pads might be a problem. Although being an EV they should be good for a few years. But a great bargain at the right price for somebody who likes a gamble.

But if it needs a part, even a relatively innocuous part, I’m thinking lights and wiper blades, then what do you do?, no, I haven’t checked online to see if parts are available, but just wondering, if, say, you bought a car very cheap, then the light cluster failed ( I’m assuming it’s led lighting) then the car would be illegal to drive…

They were made in the same factory as Jaguar ipaces, so I suspect (but don't know) that there was some commonality of parts. If not, it's very unlikely that the factory was making every component, so they can be tracked down eventually. .I'd be more worried about body panels, trim and upholstery.