Buy 3 Get 3 + Free Shipping at $50. Valid 6/2 – 6/7. Unfortunately, it doesn’t work with the clearance stuff :(. In all honesty, though, the regular line is much more interesting.
Buy 3 Get 3 Free + Free Shipping! Valid 5/5 – 5/7 only. Just checked to make sure it works – freebie automatically comes off at checkout.
Buy 3 Get 3 Free + Free Shipping! Valid through 4/14. I just tried it, adding six items and the three lower ones came off automatically.
Buy 3 Get 3 Free + Free Shipping Shipping. Valid through 3/21. I tested this out with six bottles of $10 shampoo; my subtotal was $30 with Free Ground Shipping. You also get a free sample of your choice with every order.