Do you guys sell used monitors, and at what prices.

Yes. As low as $49.

Thanks for your question Jesus! Yes we do. We have monitors starting at $29.99 with a warranty included. Our best selling 22" and 24" monitors start at $74.99.

They have 17" monitors at $19.99. Also, ones that are scratched start at $9.99

Yes,. All sizes, and there are occasional sales where they go lower than $49.