Staples has Hefty Cinch Sak 30-Gallon Trash Bags Space Saver 55-Pack (Black) for $9.99. When you add six to your cart (330 bags total) and apply coupon code "63643" to cut it to $49.94.
Good till 3/9.
Make sure to use Chase Ink cards for 5X as well!
Perfect timing for Pesach cleaning