This wek at Dollar General, select Hefty trash bags are on sale for $5. There’s also a $1/1 Hefty product Dollar General Store coupon hiding in zip code 19606 that you can stack with a manufacturer coupon.

Buy ONE Hefty trash bag – $5 
– Use ONE $1/1 Hefty trash bags (7/27/14 RP or HERE)
– Stack with ONE  $1/1 Hefty product Dollar General Store coupon
Final Price: $3!