I've got a penchant for free stuff, dollar stretching and get the most for my shopping buck. OfficeMax is offering two great deals on back to school shopping. First, spend $150 and you get a free $58 value 3-piece bag set. Enter promo code "FREEBAG" at checkout. Also, if you buy certain ful backpacks and laptop backpacks--Tremor, Sweet Melissa, Heartbreaker-- on sale for $18.74-$29.99, they come stuffed with free school supplies. Links below say $24.98, but backpacks have been price-reduced even farther, saving you 53%! Oh, and orders over $50 get free shipping. Already bought your kid's backpack? Buy another for next year. Or buy one to donate. Operation Christmas Child is gearing up for their annual shoebox giveaway event. You could donate to Toys for Tots or church giving trees. For more back to school cost cutter tips, read How a Mom of Four Saves 80 Percent on Back to School Shopping