This is the fine print from a 20% off coupon

This offer is valid and redeemable for a 20% discount on a single receipt in-store purchase at The Home Depot, EXPO Design Center,  The Home Depot Landscape Supply, or The Home Depot Floor Store U.S. stores. This offer is not valid on labor or SF&I (Self-Furnish and Install) and F&I (Furnish and Install) program products, including without limitations installed roofing, windows, siding, HVAC Products, custom closets or storage solutions. This offer is not valid on purchase of gift cards or certificates, with any other discounts, or on prior purchases. This offer cannot be combined with any other offer, promotion or special incentive program. Do not send with/as payment on any Home Depot or EXPO Design Center credit account. Cash value 1/20th of 1(cent). Present to cashier at the time of purchase to receive your discount. This offer is not valid on John Deere, Thermador, Goggenou, Miele, Dacor, viking, Fisher & Paykel, Alfresco Grills, Weber Stephen Grills, Sharp Insight products, Casablanca products, and select Maytag products, including Neptune. Void if sold, copied or transferred and where prohibited.  See store for further details and a full listing of SF&I and F&I products. 

By the coupons fine print, they are all void and unusable!!!! NO seller can avoid that. Sorry