This FlexiSpot EC1 Electric Adjustable-Height Standing Desk drops from $300 to $199.98 to $179.98 when you click the on-site coupon at FlexiSpot via Amazon. Plus shipping is free. It has an electric-lift system that lets you adjust the height from 28"-48". This brand is always featured on lists for the best standing desks, and it has the highest possible rating on Fakespot, which verifies the seller and the accuracy of the reviews. Editor's note: I recently bought this desk, and recommend it!