Home Depot offers the Yard Machine 20" Briggs & Stratton Gas Push Mower, model no. 11A-02BT729, for $139 with free shipping. That's $10 off, tied with our mention from a week ago, and the lowest price we could find. It features a 125cc 300e series engine, 20" cutting deck, side discharge, three cutting positions, and 7" front and rear wheels.