Head over to the Rimmel Facebook page and "like" them! Then hit the "Eyelash Accelerator" tab to score a $2.00/1 Rimmel Cosmetics Coupon.
Rimmel Mascara is priced b/w $2.24 and $2.99 at Target making for cheap mascara after coupon. Also CVS has B1G1 50% on all Rimmel Cosmetics this week. Combine this $2.00/1 coupon (that you should be able to print twice) with the CVS sale + the $3 off a $10 cosmetics purchase at the CVS Magic Coupon Machine for some really cheap make-up.