HomeDepot.com has a coupon code JUNEHD that will take $10 off any purchase of $100 or more. Expires 6/23/13. You can have the item shipped or pick up in-store.
Stack the discounts even more with the 5% rotating cash back available currently on home improvement stores from the Citi Dividend and new Discover It card. Or, buy a Home Depot gift card at a grocery store using the Blue Cash Preferred® Card from American Express which offers 6% cash back at US supermarkets, or buy a Home Depot gift card for 7% off at a secondary market like Raise.com.