Free Medium Coffee at Krispy Kreme – Now through March 24, get any free medium coffee with any purchase at Krispy Kreme. Use code COFFEE at checkout. Free Gift at Harbor Freight – Present the linked coupon to get a free gift with any purchase at Harbor Freight from March 22-March 24. Choose from AA or AAA Zinc Chloride Batteries, 200 Lumen LED Super Bright Flip Light