Kmart offers the Craftsman 13" Tool Bag, model no. 37535, for $3.49. Plus, Shop Your Way Max members bag free shipping. (Not a member? It's free to sign up for a 90-day trial; otherwise, shipping adds $6.50. Free in-store pickup is also available.) That's $4 off list price and tied with last week's mention as the lowest total price we've seen. It features exterior mesh pockets.

Update: It's now available for in-store pickup only.