Amazon has the 100-count Motrin IB Ibuprofen 200mg Tablets for Fever, Muscle Aches, Headache & Back Pain Relief on sale for $5.05 - 5% off with Subscribe & Save (can cancel anytime) - 15% off coupon (check “Save an extra” box, eligible on first S&S order for this product)= $4.04 with free shipping on $35+ or with Prime. 4.04 cents per pill.