Staples offers the Charmin Basic Toilet Paper Double Roll 16-Roll for $5.99. Plus, Staples Rewards members qualify for free shipping. (Not a member? Click here to sign up for free; otherwise, opt for free ship to store pickup.) That's a buck below our mention of this quantity from last summer and the lowest total price we could find for this quantity by $4. (We saw 60 rolls for $22 in January.)