Fairfax: Millennial masterstroke, page-17

Well observed, Tubelord. That is, indeed, a direct contradiction by the writer.
I recall being told about how wonderful that "The Barefoot Investor" is, particular for youthful readers.
Maybe because I taught economics for years, not sure, but I couldn't see anything in it which was enlightening or new. It just seemed like commonsense which is widely understood.

It is certainly true that there are bank accounts out there which pay interest calculated on the lowest amount in your account. If you are using your wages to pay off AfterPay expenses then you won't need to disturb the money safe in your account earning predictable interest.