Priceline is doing buy 2 get 1 free deal across the Palmolive brand.
Edit:
Free standard shipping for orders over $50
Standard shipping is $9.95 for orders under $50
Express delivery as an option is temporarily unavailable due to the online order delays.
The delivery costs are flat rate regardless of volume, weight or destination. If the total cost of your order is over $50, delivery is free (Regular delivery only).
Why can't click and collect?