Dr. Pepper 1-liters are on sale for $1.33 at Target. Print a BOGO coupon and get two bottles for the price of one!

Dr. Pepper is either distributed by Pepsi Co. or Coca-Cola, depending on where you live. This sale is on all Coca-Cola products, so it may not be available at your store.  

Buy 2 Dr. Pepper TEN Soda, 2 L $1.33, sale price through 7/6
Use one B1G1 FREE – Dr. Pepper 10, 2 Liter, max value $1.99 – (bricks.coupons.com)
Final Price: $0.67 each, when you buy 2