Saks has a Black Friday deal ending today for a $75 gift card back on a minimum $150 purchase. It doesn't apply to all items, but I was able to pick up a $230 pair of Ray-Bans on sale for $161 and get a $75 complimentary gift card added to the cart at check out, so net cost of $86 plus tax and $9.95 shipping. And, of course, AmEx will reimburse the actual amount charged to my card.

Aesop shampoo is still in stock, but hand soap sold out, and the free gift card offer is not valid on these items, even when the cumulative total is over $150.