If you are in need of trash bags (these are the 30 gal black bags) snag a good deal at Vons. I found these bags on sale BOGO free (just this type was on sale)
Buy Hefty Trash Bags 14 ct $6.29 Buy One Get One Free
Use $0.55/1 Hefty Waste Bags, exp. 8/31/13 (RP 05/05/13)
Pay: $5.74 or $2.87 ea!
Remember, according to the Safeway coupon policy, you can not use a coupon on a free item.