Ring Around the Sun

Consumer goods that never wear out — razor blades, cars, houses — introduced deliberately by people with access to parallel Earths.

Less and less. Industry after industry closes because its products stop needing replacement, and the novel follows the unemployment rather than the invention: a business journalist watching an economy dismantled by things that simply keep working.

Obsolescence — The work goes, and standing goes with it.

Written in 1953 and almost never cited in this argument. Simak understood that the threat to work is not a machine that does your job but a product that never needs doing again.