Walmart: Hefty Renew Trash Bags $1.86 November 10, 2010 This post may contain a link to an affiliate. See my disclosure policy for more information. Hefty has a new Recycled Trash Bag called Hefty Renew. The 20 count boxes of Kitchen Trash Bags are selling for $2.86 each at Walmart. Here’s how to get them for $1.86: Hefty Renew Trash Bags, $2.86 Use the $1/1 coupon from Coupons.com Final cost: $1.86 per box Thanks, Deal Seeking Mom!