I'd like to be able to swap the battery on my smartphone, like I used to be able to do.
Same with my laptop
Same with my laptop
Build with simple easy to replace common components. No black boxes. Obviously some products fit this more nicely than others. Simple devices like washing machines vs smartphones.
Washing machines and other products that have been smartened should have mechanical mode fall-backs so that cheap electronic controllers susceptible to failure which may cease production, don’t doom the usefulness of a product.