Amazon 现在Dove Damage Therapy Shampoo Daily Moisture for Dry Hair Shampoo with Bio-Protein Care 保湿洗发精 20.4 fl oz $5.98
1. 在价格的下方有个 15% Off coupon, 钩选coupon, 结帐时会自动减 15% Off
2. 再用 Subscribe & Save 买2瓶最后是$5.98 – 15% + $5.98 – 5% = $10.45.
3. 买2瓶就送 $5 Amazon promotional credit, 等于才花 $5.45买到2瓶.