This could be my imagination. I could be fooled by randomness. I don't know. Right now, I want answers. (UPDATE: In contact with Amazon.com people. Will report my results.)
I added Heuristics and Biases: The Psychology of Intuitive Judgment to my wish list. It cost $37 at the time.
A day or two later, the price had increased to $40. I still didn't buy it. A couple of days later, the price increased to $45.90. After a week of the price remaining constant, I ordered the book. This was on Friday.
Today I went on Amazon, and see the book now costs $36.72. I'm livid. Friday's order was already processed, so I can't cancel it.
Do they have some sort of pricing algorithm that increases the costs of items placed in your wish list? In other words: To get me interested, show me a lower price. Once I show interest by adding it to my Wish List, increase the price?
Has this happened to any of you?
Whatever the case, I am not pleased. I am going to contact Amazon immediately. At the very least, I expect to receive an $10 credit to my account.
Oh, and at $36.72, Heuristics and Biases is a freaking steal. It's a good deal at $45.90, when you consider the hundreds of hours that go into compiling so much information. Still, ten bucks saved is ten bucks earned.
UPDATE: Removed pending my formal investigation.