Earlier quoted context omitted.
This is the primary reason I wouldn't go back to combustion. The running costs of electric vehicles are absurdly low at times. You can put 50k-100k miles on most EVs on sale today having only bought cabin air filters, tires and wiper blades in addition to the cost of the electricity - thats largely it!
What do you do after? Are you talking used or new?
Beyond 100k, there isn't much, but you will likely need to do things like brake disc replacement or some shock work, but the costs are still minimal vs ICE car maintenance at this stage in an ICE car's lifecycle. If you do pads and discs at 100k on an EV, you will generally be good to 200k again. The shock work is no different to what a gas car might need at this stage.
Thanks to regen braking, the lifespan of the braking system consumable components is increased enormously vs combustion.
The batteries are still generally giving useable performance/range up to 300k on a lot of used Teslas, but this will vary depending how the owner looked after the battery. Lots of DC supercharging generates a lot of heat and isnt great for long term range. A tesla mainly charged on AC at home will keep great battery range for a very long time though. I'm planning to keep my EV for a crazy long period of time, given the lack of operating costs. The range loss on an mainly AC charged EV can be surprisingly minimal.
The only fluids are some coolants generally, and those are easily/cheaply replaced usually on a ~10 year cycle. Most EVs are just scaled up electric toy RC cars in terms of their architecture - really! - the number of drivetrain components is incredibly small.