Earlier quoted context omitted.
Another related dark pattern: When cancelling a Prime trial, Amazon makes it appear as if you're going to lose the Prime benefits immediately, not at the end of the trial, to keep you from cancelling early. (It seems like you DO keep them until the end of the trial, but you only get told that after cancelling) Together with their decreased support quality (agents barely understanding what I write + the typical "tell…
I've experienced the opposite with Amazon. If you complain about a product you've gotten they simply refund the full purchase price, no need to return the item or anything. I've even gotten months of prime refunded by telling them I forgot to cancel. I assume that eating the cost of a bad purchase is cheaper for them than upsetting a long-term customer.
On one occasion when I had to return an item I ended up £30 out of pocket because it had to go by courier instead of post, due to length. I had to argue with their customer support to obtain recompense despite it having been them who told me to send it courier. The item was only worth £80.
Nowadays I just use Amazon as a price baseline but shop elsewhere.