Using a gift voucher to buy another is possible but depends on retailer policies. This practice allows customers to receive more rewards than others due to factors outside their control, raising concerns about fairness and equality among recipients. Responsible use can benefit everyone involved by allowing clients who wish but cannot afford specific purchases nonetheless access those items indirectly via secondary forms exchange when direct purchase isn't possible. Retailers may introduce flexible policies with technology advancements, making combining gift vouchers in creative ways viable.