If you have an Extra Care card from CVS and get their emails, check your inbox! I just got a $5/$25 or more coupon valid 11/25-11/27 so it'd be PERFECT for Black Friday! As you'll see in the CVS deals I'll be posting soon, their sales are going to be amazing.
If you don't have an Extra Care card, you need one to get most of the deals at CVS. You can sign up for one here and subsequently subscribe to their emails. You'll regularly get coupons from them in your inbox.