Discount mortgages explained by Mortgage Expert Gary Williams What is a discount mortgage? What are the benefits and disadvantages of a discount mortgage? Watch this video and become better informed about mortgages.Part of a series of videos from The Mortgage Hotline (view them all here www.themortgagehotline.co.uk) offering mortgage / remortgage help and advice so that you can make better mortgage decisions â save a lot of money â with your mortgage borrowing. If you are looking for a mortgage expert to guide you and compare mortgages with you, and to apply and arrange your mortgage for you, then ask the mortgage expert Gary Williams the UKs leading mortgage expert. Visit www.themortgagehotline.co.uk or FREEPHONE for further details on 08000 372 372.