Costco Sale: Winegard FlatWave Amped Indoor Amplified HDTV Antenna $34.99 by Rhonda July 21, 2020 6/1/15. Watch free locally broadcast TV. Costco has the Winegard FlatWave Amped Indoor Amplified HDTV Antenna (FL5500Y) on sale for $34.99 (after manufacturer’s instant rebate), now through June 10, 2015. That … 0 FacebookTwitterPinterestEmail
