跟单ID couchtudou(土豆） item1 http://www.drugstore.com/gnc-triple-strength-fish-oil-co-q-10-softgels/qxp340633?catid=183249 GNC Triple Strength Fish Oil + Co Q-10, Softgels 60 ea Qty 2 Price ：Member product price:$27.99 buy one, get 50% off the second 27.99+27.99/2（2nd item)=$41.99(第一次跟单，不知道这么算对吗？） item2 http://www.drugstore.com/gnc-calcimate-1000-tablets/qxp150147?catid=183252 GNC Calcimate 1000, Tablets 120 ea Qty 1 price Member product price: $11.99 item3 http://www.drugstore.com/gnc-calcium-plus-1000-with-magnesium-and-vitamin-d-caplets/qxp210010?catid=183252 GNC Calcium Plus 1000 with Magnesium & Vitamin D, Caplets 180 ea Qty 1 price Member product price $7.19 item4 http://www.drugstore.com/gnc-herbal-plus-natra-sleep-vegetarian-capsules/qxp150172?catid=11422 GNC Herbal Plus Natra Sleep, Vegetarian Capsules 100 ea Qty 1 (more...)