Truthfully, I've gotten way too good at spotting Kindle Day patterns, and this last one reinforced my usual stance—the exclusive deals are often just a heavily rebadged selection from the 'Kindle Daily Deals' section with one or two marquee titles slapped on top. You'll absolutely see Amazon Originals, those books they commission that you can't get elsewhere, go for $1.99 instead of their usual $3.99 or so. Prime members occasionally get an extra 10-15% off on top of the main deal, which can make some omnibus editions actually worthwhile.
What I look for specifically are the box set exclusives for ongoing series. They're not always advertised as the headliner, but if a series like 'The Dresden Files' or a romance author's entire back catalogue gets bundled into a 'first in series free, complete set 60% off' promo, that's where the real savings hide. The virtual currency angle is non-existent here—it's all straight cash discounts. The exclusivity feels less about unique content and more about temporal scarcity; you have 24 hours to decide if you want that exclusive illustrated edition of 'Good Omens' at 70% off, knowing it'll revert to full price tomorrow.
My contrarian take is that the 'exclusive' label is mostly marketing fluff for discounts on content Amazon already exclusively sells. The real value isn't in discovering something you couldn't get yesterday, but in the steeper price cut on things you were already eyeing. It's a targeted pressure tactic dressed up as a celebration.