Today Amazon is having their annual “Prime Day“, and there are some decent home video deals to be had. I’ll update the post as new deals pop-up. They also have a deal where you can save an extra 20% on top of some deals, including things like the Ingmar Bergman’s Cinema box set (it’s currently out of stock). For whatever reason, it doesn’t look like the API is showing the deals, so you may need to view the product pages to see the current lightning deal prices.
Here are some quick links to the various pages Amazon has set up, collecting these deals: