From years of deal-hunting on Amazon Prime Day, we know from experience that the sale is the perfect time to save on a Kindle Unlimited or Audible subscription, add Prime Video subscriptions to watch your favorite shows, upgrade to a new TV or soundbar and find discounts on all kinds of Amazon best-sellers.

Amazon Prime Day is here, and with it comes a shocking number of ways to save through add-on channels. Here's what you need to know to save big.

I search for deals for a living and these are the best Amazon Prime Day deals I can find, as you can still get over 90% off on the final day.