Thumb Score: +15

Amazon [amazon.com] has 11-Oz Selsun Blue Naturals Itchy Dry Scalp Antidandruff Shampoo w/ Vitamins B3 & E for $7.41 – 40% when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $4.08.
Shipping is free with Prime or on $35+ orders.

Savings
40% off coupon applied. Subscribe & Save orders only. (check and activate [amazon.com])