National Cash Offer is one of our most popular clients. They are a high standard real estate investment company located in Phoenix, Arizona. National Cash Offer’s main purpose is to help you sell your home quickly by offering anyone looking for a cash offer for their home. If you want to sell your home for some quick money, National Cash Offer can help you. Sell My House. Over the years National Cash has ordered flyers, banners, yard signs and more from Gold Level Print and they have never been more satisfied.