Dollar Tree offers 5-ounce bags of Canine Carry Outs for $1, or about 20 cents an ounce, but Walmart sells larger 25-ounce bags for $2.99, or 12 cents an ounce, a savings of 40 percent. Snausages in a Blanket treats are similarly cheaper at Walmart, where a 25-ounce bag costs about 4 cents less per ounce than Dollar Tree’s 4.5-ounce bag, priced at $1.