[watt]

Actually this is exactly about expenses you are not consciously "registering", but they are real, and they add up. A daily coffee is not "registering" as well, but it's massive amount of money if you consider how much you spent in a year.

[aix1]

Would you mind quantifying how the coffee argument applies to this discussion, which is about oil change?

For example, here in the UK the average cost of oil and filter change (if you pay someone to do it rather than doing it yourself) is £102 [1]. Done every other year, this amounts to £51 p.a., which is less than a typical tank of fuel [2].

[1] https://www.fixter.co.uk/blog/how-much-is-an-oil-and-filter-...

[2] https://www.rac.co.uk/drive/news/motoring-news/full-tank-of-...

[chrisseaton]

> but they are real, and they add up

But that was the point - the requirement to change your oil that often is not real, and so it does not add up.