Home Depot cuts 10% off a selection of doorknobs and door hardware, with prices starting at $9.14. (Discounted prices are as marked.) That's among the best such discounts we've seen on these items from Home Depot, yielding several price lows, although we saw up to 30% off last week. Opt for in-store pickup to avoid the shipping charges, which start at $5.99. (Free shipping is available on most orders over $45.) A couple of best bets: