Best bully sticks has a $20 off coupon (applies $19.75) for a 50pk of 6" bully sticks. Coupon is on the item page and is shown at the final checkout page. I paid $64.87. I buy these every 2 months for my dogs and normally spend almost $87 shipped. Coupon applies to one order.
https://www.amazon.com/gp/product/B001KEWU6M/