At Bath & Body Works, buy three select items, and get two select items for free. (Add five items to your cart to see this price.) Plus, bag a $1 flat shipping rate on orders of $25 or more via coupon code "CATCHLEAVES". (Otherwise, it adds $5.99.)

Of note, you can also buy two select items to get one item for free.

Update: The above coupon has expired; however, coupon code "SAVEONSUDS" yields the same discount.