Happy Tao via Amazon offers the Lumsing Single Arm 13" to 27" Monitor Desk Mount for $29.99. Coupon code "DALHDRK8" cuts it to $23.99. With free shipping, that's a buck under last month's mention, $6 off list, and the lowest price we could find. It features 90° tilt, 180° swivel, 360° rotation, and height adjustment. Deal ends February 25.