Amazon has the 3 Big Value 37-Count Gain Flings 3-in-1 Laundry Detergent Soap Pacs (111-Count in total, Super Fresh Blast Scent) for $27 - 5% off with Subscribe & Save (can cancel anytime) - $10 off coupon (check “Save an extra” box, eligible on first S&S order for this product) = $16 with free shipping on $25+ or with Prime (extra 15% off for 5+ S&S orders).

Has 96% 5-star reviews (over 100 reviews in total).