Just in time for Halloween! Coupons.com has a $1.50 off any M&M/Mars 9.4 oz package coupon. The coupon says available at Walmart but that doesn’t mean you have to buy it there. There are LOTS of other coupons too: 55¢ off Goya Adobo, $1.00 off 4 Hanover canned beans, $1.00 off Hanover frozen pretzels, 55¢ off [...]