Buying a plan is the most important aspect of a profitable retail business. Retail buying plan includes sales forecast process by analyzing the factors affecting it namely aggregation of sales and exogenous variables. The conventional buying plan is centered around a common customer profile. However, in the future, we need a generation specific buying plan catering to their specific design expectations. In this study propose a new replenishment strategy formulated for Gen Z customers. The new buying plan strategy weighs the recent trends and prevailing sales scenarios to forecast the replenishment quantity and re-order point. The evolved strategy carries its references to sales history data, trends, aggregation of data for the product topology, especially for Gen Z customers.