It is against Amazon's interests to have price comparison these days. Early on in my computer shopping days I'd hit pricewatch and buy from random vendors based on price. Eventually this company called Newegg often had the near the lowest price always and had great service. I soon went to shopping at Newegg consistently without bothering to go to pricewatch. Newegg could have raised prices slightly but I did not want…
So I've never been locked into Amazon and always been free to shop around. And I can absolutely confirm that Amazon is no longer the "default" winner on price. Sometimes they are, but often not. I don't even have to spend a lot of time shopping around to find this. The same deals are everywhere now.