Referral programs can help you save your pocket, as you can earn rewards for encouraging your friends and family to shop at a store. Referring someone to a store can lead to discounts and bonuses, which consists of a offer code or a direct discount, and some stores even offer a bonus when the person you refer makes a purchase. For the most current information on referral program discounts at Intersolar Europe, it's highly recommended to check their website or contact them personally.