Stop over HEREand print a coupon good for $1 off any Excedrin. The 8-ct bottles are available at Walgreens (look near checkout) for $1.49:
Excedrin 8-ct $1.49
-$1 HERE printable
-$1 from February coupon booklet
Final Price: FREE
Make sure to hand the manufacture coupon first or your coupon will beep!