Thumb Score: +22

Amazon [amazon.com] has HUANUO FlowLift Pro Monitor Arm (13–32″ Screens up to 19.8 Lbs) for $29.99 – $15.00 when you apply promo code RJ8YWXJL on the checkout page = $14.99.
Shipping is free with Prime or on $35+ orders.

Price
$35 lower (70% savings) than the list price of $49.99
$15 lower (50% savings) than the previous price of $29.99