Walgreens: M&M Pretzel Bags $0.25 Each November 2, 2010 This post may contain a link to an affiliate. See my disclosure policy for more information. Next week, Walgreens will have the full size bags of M&M Pretzel on sale, and you’ll also get a Register Reward. Here’s how you can get them for only $0.25 per bag: $5 RR wyb 4 M&M Pretzel Bags (9.9oz), 4/$10 Use 4 $1/1 coupons from here Pay $6 Get back a $5 RR Final cost: $0.25 per bag! Thanks, Mojo Savings!