Sears offers the Craftsman 21" 163cc OHV Briggs & Stratton 3-in-1 Mower, model no. 11A-B2BQ799, for $224.99. Coupon code "LAWN20" cuts it to $204.99. With free shipping, that's $105 off list and the lowest total price we could find. It features a 725 EXi Series Briggs & Stratton 163cc engine with Just Check & Add, which prevents the need for oil changes, and bagging, mulching, and side discharge mowing settings.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.