Also available, Home Depot is offering $10 off $50 when you follow the directions below. Shipping is free.
For the people asking about the paypal $5 off $25 coupon, go here to add it to your account: https://coupons.paypal.
Store credit and gift cards works, I just used one.
App is not required to get the discount. You can get the same discount on any other device (includes PC/desktop) using the coupon code.