Amazon offers the Tide Washing Machine Cleaner 5-Pack for $4.38 with free shipping via the directions below. That's tied with our mention from two weeks ago and the lowest price we could find today by $4. To get this deal:
  1. View the Tide Washing Machine Cleaner 5-Pack for $7.88
  2. clip the $3.50 off coupon on the product page
  3. order via Subscribe & Save for a final price of $4.38 with free shipping
Be sure to cancel your subscription after receiving your item to avoid being billed for subsequent shipments.