Through 7/9, this 100 Count Box of Hefty CinchSak Drawstring 13 Gallon Trash Bags drops from $16.79 to $11.99 at Staples.com. Shipping is free for Staples Rewards Members with a $14.99 order or with in-store pickup.
This works out to $0.12 per bag. You can also get the 30-gallon size black bags for the same price.
Thanks My Dallas Mommy!