Amazon has the 75-Count All 4-In-1 Mighty Laundry Detergent Pacs with Stainlifters (Original) for $11. Change to quantity 3 (225-Count Total) to reach $33 - 5% off with Subscribe & Save (can cancel at any time) - $10 off at checkout = $21 with free shipping on $25+ or with Prime. About 9 cents a pack.