Amazon 现在Cetaphil Baby Wash & Shampoo with Organic Calendula, Tear Free, Paraben, Colorant and Mineral Oil Free 婴儿洗发/沐浴乳 13.5 Fl. Oz $9.97
1. 由此进入 激活 10% off coupon
2. 再由此进入商品页, 在价格的下方有个 $1.98 Off coupon, 钩选coupon, 结帐时会自动减 $1.98
3. 再用 Subscribe & Save 之后, 又可以有 5% Off, 最后是 $9.97 – 10% – $1.98 – 5%(subscribe) = $6.49.