Valentine M&M’s are as low as $0.50 at Walmart! Theater boxes are regularly $1.00 but drop in price with a $1.00/2 coupon. Always read the coupon fine print. This coupon has a minimum size restriction of three ounces, so the theater boxes will work with the coupon.
There is also a $1.00 Ibotta rebate valid on any Mars Valentine chocolate candy, 6.5 ounces or larger. I used this on a bag of M&M’s and paid $1.88.