The purpose of this paper is to provide some important business guidance in managing sustainable consumption of e-commerce platforms by examine the effect of the perceived effectiveness of e-commerce platforms (PEEP) in perceived economic benefits to predict sustainable consumption and adding a pandemic fear as a boundary condition. Background: Pandemic has impact business activities, e-commerce growing faster as the number of online user increasing sharply, business need clear guidance to improve consumer intention of using e-commerce platforms over the time. Novelty: This study conducting research in different economics condition,  it is in Indonesia, which is known as the highest online transaction country in South East Asia countries, thus it could provide different UGT perspective on e-commerce platforms. Research Methods: this research used quantitative survey and analysis method, using 330 samples with PLS analytical technique, support by warp PLS 7.0 and it also has adopted uses and gratification theory as a base of the conceptual model. Finding/Results: This research found a pandemic  fear become a positive moderating effect to relationships among PEEP and economics benefits, but it has no effect to the relationships of economics benefit and sustainable consumption. This research contributed analysis of how economics benefits mediate the PEEP and sustainable consumption relation that also affected by pandemic fear Conclusion: implication for business and theory are also discussed.