Amazon [amazon.com] has Covergirl Perfect Point PLUS Eyeliner Pencil (Black Onyx) for $6.28 - $2.99 when you 'clip' the coupon on product page - 5% off when you check out via Subscribe & Save = $2.98.
Shipping is free with Prime or on $35+ orders.

Note: Coupons may be targeted and vary by account. Coupons are typically limited to one per account.