Amazon has Hefty Ultra Strong Trash Bags (Citrus Twist, Tall Kitchen Drawstring, 13 Gallon, 80 Count) for $9.55 or less when you clip the 20% off coupon and checkout via Subscribe & Save.
Also available.
Hefty Ultra Strong Blackout Trash Bags (Clean Burst, Tall Kitchen Drawstring, 13 Gallon, 80 Count)
Hefty Ultra Strong Trash Bags (Lavender Sweet Vanilla, Tall Kitchen Drawstring, 13 Gallon, 80 Count)
Previous FP deal.