The e-commerce giant's best sale of the year includes up to 20 percent off designer fashion and beauty, up to $1,000 off pre-loved luxury bags and watches and up to 70 percent at Shopbop.

The e-commerce giant's best sale of the year includes up to 20 percent off designer fashion and beauty, up to $1,000 off pre-loved luxury bags and watches and up to 70 percent at…

You won’t believe what you can nab on Prime Day if you know where to look.