BIC Atlantis Retractable Ballpoint Pen, Black, 8 Count @ Walmart B&M, YMMV $0.75

https://brickseek.com/walmart-inventory-checker/?sku=127388617?
Check local inventory & price. These are located in cardboard boxes with school stuff and other sets of pens, highlighters etc. YMMV Good luck y’all!
https://www.walmart.com/ip/127388617
Pretty good reviews of these pens on Amazon (link for reviews only, same pens – smaller set)
https://www.amazon.com/dp/B001OTA66O