Double coupon! 10K+ bought in past month. Amazon has the 8.7oz Benefiber Daily Prebiotic Fiber Supplement Powder for $13.48 - $2.99 off coupon (choose "One-time purchase" then check "Apply Coupon") - 40% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) = $4.43 with free shipping on $35+ or with Prime.