Items you can buy off the shelf at Target for $40 are for sale for $70 at AMZN.

Some people get one day delivery, but other people (me) get five day delivery with Prime, particularly ZIP codes that have an Amazon distribution facility in them. (Everyone I know who gets 1 day delivery has a Cheesecake Factory in their town... But for Christ's sake I order things from Japan on Ebay and get them before I get things from the AMZN warehouse in the next state.) I guess they think I want to watch Rings of Power so bad I'll subscribe to Prime anyway but you know... I don't.

My understanding is that the online store consistently loses money, they are a going concern only because of AWS. But guess what, I've already moved enough spend from AWS to Azure that subjecting me to 5 day delivery cost them much more than it saved.

As for replacements, see every other retailer that sees fulfillment as a way to make a positive impression. Adorama, Best Buy, and Target just to name a few. It's true that many of those have bizzare limited product line ideas (e.g. Best Buy sells Sony camera bodies but has no real selection of lenses but they think I'm stupid enough to buy a Samsung washing machine which is not a good choice unless you want to buy another washing machine in a few weeks) but the product listings are basically honest outside AMZN.

Long term see Temu and other asian retailers. When I look at arXiv I see a large literature in "sequential reccomendation" almost entirely by Chinese and Indian authors. Looks like a "missile gap" for e-commerce and social commerce if you ask me.