This Insignia NS-50D510NA19 50-Inch LED HDTV originally $279.99 drops to only $219.99 at Best Buy. You save 21% off the retail price for this LED HDTV. Plus, this item ships free. This is the lowest price we could find online by about $50. The Insignia NS-50D510NA19 50-Inch LED HDTV features a 50″ screen, 1080p resolution, two speakers, three HDMI inputs, and 178-degree viewing angles. Sales tax is charged in most states. Deal expires August 9, 2019.