Amazon offers its Amazon Prime members the Sharpie Ultra Fine Permanent Marker 12-Pack
in Black, model no. 37001, for $5.88
with free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $5.58.) At $0.49/pen, that's tied with our August mention and the lowest total price we could find by $1. The 0.2mm point is capable of making permanent marks on most surfaces.
Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months.