Can I use more than one discount coupon for a purchase? May 13, 2020 14:59 Updated No, discount coupon codes cannot be combined. Only one discount code can be used per transaction. Related articles Are discounts available? Are xPRO courses eligible for GI bill benefits? Is there additional financial support available for this course/program? How do I use an xPRO discount code? Can I start this course/program and pay later?