a. A leveled system (Silver, Gold, Platinum) that incorporates more incentives (such as free shipping, e-coupons, Gifts to Grow points, etc.) as the level increases, similar to a frequent flyer program
b. Single-level, “premium member” program that rewards users with a set of discounts or rewards after a certain dollar amount is spent
c. Cash-back program that rewards users with a percentage of their purchase amount back in e-cash, to be spent on future purchases on the same website
d. Reward program in which the user is rewarded with a free gift or gift certificate on an interval, after spending a certain dollar amount, such as a free pack of wipes after buying a certain number of diaper packs
e. Auto-replenishment program that gives users a percentage discount on each purchase after signing up for a certain bundle of baby care items to be shipped on a routine basis