Obtaining a trade discount in the field of interior design typically requires proof of professional status as an interior designer or related industry professional. You can usually obtain a trade discount by applying for a trade account with suppliers who offer these benefits to professionals in the field. Trade programs are often available through furniture manufacturers, fabric distributors, wallpaper suppliers, flooring companies, and more. Additionally, attending industry trade shows and networking events can help you connect with vendors who are willing to offer exclusive discounts to interior designers.