Amazon 現在Dove Damage Therapy Shampoo Daily Moisture for Dry Hair Shampoo with Bio-Protein Care 保濕洗髮精 20.4 fl oz $5.98
1. 在價格的下方有個 15% Off coupon, 鈎選coupon, 結帳時會自動減 15% Off
2. 再用 Subscribe & Save 買2瓶最後是$5.98 – 15% + $5.98 – 5% = $10.45.
3. 買2瓶就送 $5 Amazon promotional credit, 等於才花 $5.45買到2瓶.