How to Shop During the Tampon Shortage - The Krazy Coupon Lady When compared to the average $0.39-per-tampon cost, these brands will save you anywhere between 33% and 62% — or between $61 and $112 per year. Buy tampons in bulk to save up to 56% and avoid running out. One of the best ways to avoid shortages and price hikes is to stock up on tampons with larger-count boxes.