Our roundup of Home Depot promo codes, new customer coupons, free shipping, and Pro rewards discounts, can drop prices by as much as 60% when you buy online. Get 10% Off With Home Depot Promo Codes and Flash CouponsHome Depot coupons and deals tend to ramp up in Summer, when people start refreshing their house and backyard, with deals of up to 50 percent on patio furniture, bath, mattresses and area rugs. Home Depot coupons of the moment include a whopper deal of 40% off area rugs, plus more deals on kitchen and other furniture. Like we’ve stated, there are so many ways to save at Home Depot, even when you’re shopping online. Save 20% With Home Depot Pro Xtra DiscountsHome Depot also offers a loyalty program called Pro Xtra for frequent flyers, whether you’re a contractor or just undergoing a serious remodel this year.