solution exists such as, coupons, customer onboarding rebates, gift articles. It would probably have to be other than the primary purchase, but if you know you

solution exists such as, coupons, customer onboarding rebates, gift articles. It would probably have to be other than the primary purchase, but if you know your customers, and the landscape of your sales deme, you could offer a range of most probably useful items to include "for free" along with the purchase. if someone buys, monopoly include coupons for a case of soda. if someone buys, toothpaste, include free toothbrush, viceversa.