Amazon has 10-Count BIC Cristal Xtra Smooth Medium Ballpoint Pen (1.0 mm, Black) for $0.98. Shipping is free with Prime or on $25+
Walmart.com has 10-Count BIC Cristal Xtra Smooth Medium Ballpoint Pen (1.0 mm, Black) for $0.98. Shipping is free w/ Walmart+ ( free trial ) or choose free pickup, or shipping is free on $35+