Ending today, Crocs offers its Crocs Girls' Reina Wild Fruit Flip-Flops in Carnation/Neon Purple or Iris/Neon Purple for $9.99. In cart, they fall to $6.99. With $4.99 for shipping, that's $9 under our August mention and the lowest total price we've seen for these sandals. (It's a current low by $6.) They're available in sizes 6/7 to 12/13, although not in all size/color combinations.
Sears offers the Avia Boys' A5781B Sneakers in Black/Red (pictured) or Navy/Multi for $8.49 plus $5.75 shipping. That's $27 off list price and the lowest total price we could find. They are available in sizes 13 to 4, but not all color/size combinations.