Sears offers the Spaulding Recreational Series Badminton Set, model no. SP-35-7208, for $54.99. Coupon code "SEARS5OFF50" cuts it to $49.99. With free shipping, that's the lowest total price we could find by $20. It includes a full regulation size net, telescoping poles, four steel badminton racquets, three shuttlecocks, and a carry bag.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.