No failure or delay on the part of Buyer to exercise, and no delay in exercising, any right, remedy or power hereunder shall operate as a waiver thereof, nor shall any single or partial exercise by Buyer of any right, remedy or power hereunder preclude any other or future exercise of any right, remedy or power. Each and every right, remedy and power hereby granted to Buyer or allowed it by law or other agreement shall be cumulative and not exclusive of any other, and may be exercised by Buyer from time to time.