Kmart cuts up to 90% off a selection of clearance men's, women's, and kids' shoes. Opt for in-store pickup to avoid shipping fees, which start at $5.75. (Alternatively, orders of $59 or more qualify for free shipping.) A couple best bets: Of note, Shop Your Way Rewards members may be eligible for additional credits and discounts. Plus, Shop Your Way Max members may receive free shipping on select orders.