Amazon reportedly used a secret algorithm to jack up prices — A new report details Amazon’s Project Nessie pricing algorithm::Amazon deployed a secret algorithm to gauge how high it could raise prices before its competitors stopped increasing their prices as well.
The subscribe and save price reflects the listing price at the time your order is fulfilled.
As a seller, the number of subscriptions evaporates if I increase the price on an item.
What you are describing is not a tactic any business is intentionally employing. It's more likely born of incompetence.
That may be the case, but I have to admit, assuming malice is a lot more fun!