Looking for more 4Ks, Blu-rays, and DVDs? Add to your physical media collection with Amazon Prime Day's 3-for-2 promotion.

I've been covering Prime Day sales for years and this is the first time I can remember this type of promotion overlapping with the actual sales event days. And despite some actually incredible deals on things like Apple devices and TVs,

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.