6pm takes up to 64% off a selection of Dr. Martens men's, women's, and kids' boots. Shipping adds $3.95, but orders of $50 or more qualify for free shipping, as do orders of any two items. Available sizes and quantities for many items are limited.
Sears a selection of men's, women's, and kids' shoes in its clearance section. (Prices are as marked.) Choose in-store pickup where available to dodge shipping fees, which start at around $5. (You can also spend $49 or more to qualify for free shipping.) A couple of best bets, both available via pickup: