Newegg offers the Dell UltraSharp 23.8" 4K IPS LED Monitor for $299.99. Coupon code "EMCTUUC36" cuts that to $279.99. With free shipping, that's the lowest price we could find by $54. It features a 3840x2160 native resolution, four USB 3.0 downstream ports, one USB upstream port, HDMI, DisplayPort, and mini-DisplayPort. Deal ends January 19.
There are lots of things Uncle Sam can't touch — so long as you play by the rules.