At Kmart, buy one pair of men's, women's, or kids' shoes and get a second pair for $1. Even better, take $5 off select orders of $45 or more via coupon code "SAVEATK5" or $10 off orders of $100 or more via coupon code "SPECIALK10". Opt for in-store pickup to dodge shipping fees, which start at around $6, or bag free shipping on orders of $59 or more. Some exclusions apply. Deal ends October 4. A couple of best bets, each with pickup and prices after applicable coupons: