VM Innovations offers the Poulan 21" Gas Push Mower, model no. PR500N21S, for $192.95. Coupon code "P8YN4J4" cuts it to $149.99. With free shipping, that's the lowest total price we could find by $49. It features a Briggs and Stratton 500 series engine, 21" stamped steel cutting deck, side discharge, and five position height adjuster. Deal ends March 8.