We're eagerly awaiting the official start of Amazon's Prime Big Deal Days event, which kicks off tomorrow, October 7. If you're planning to shop the sale, we have a secret: You can score some of the best discounts on loungewear right now. Yes, really. Stock your wardrobe with super comfortable fashion finds for as low as $7. There's a lot to cover, that's why we compiled a list of the best loungewear finds you can catch on sale at Amazon before October Prime Day.