<em>All cooperative operational activities are based on the fulfillment of services or the fulfillment of the daily needs of members. Efforts to serve cooperatives to members are to serve the interests of the role of members as owners and customers as well as possible, while the goal is what will be produced, for example, at the end of each year the benefits or something they get. Sales of goods at the IkhlaSmart store until December 31, 2019 amounted to Rp. 1,146,302,257,- of the total transactions made by members amounted to Rp. 472,075,050,- (41.18% of total sales). From the Annual Report, it was found that only 50 members (29.8%) made purchases above the average annual purchase and the remaining 118 members (70.2%) made purchases below the annual average purchase. This condition continues during the Covid-19 pandemic, the buying interest of members and other consumers. Taking into account the ability of the model to explain variations in the value of changes in buying interest, the simple linear regression equation model is declared eligible to be used as an estimator of members' buying interest.</em>