Thumb Score: +20

Amazon [amazon.com] has 8.4-Oz Rogaine Men’s Thickening 2 in 1 Shampoo + Conditioner for $14.49 – $5.00 – 35% when you ‘clip’ coupons on product page – 5% when you check out via Subscribe & Save = $3.70.
Shipping is free with Prime or on $35+ orders.

Savings
Coupon price $9.49 (clip on the product page)
35% off coupon applied. Subscribe & Save orders only. (check and activate [amazon.com])