Large merchants need to keep their physical stores when having online stores

Moving stores to online seems like a fashion; but I feel physical stores have their advantages that online stores will never have. Larger merchants can gain more advantages to have physical stores. 

People expect lower prices when shopping online, mainly because of two reasons. First, the information provided online is not as good as the information collected when visiting a physical store. Secondly, the goods ordered online need some time to be delivered home. A good received at time t is always better than the same good received at time t+1. Therefore, demands for one good online are fewer than the demands in a physical store if we have the same customer pool. Large merchants already have many stores all over the world; therefore, the cost of opening new stores is lower if we take into account their sizes. By having physical stores, because large merchants have huge amounts of customers already, they can create more sales.

Moreover, if large merchants can efficiently use their money received in their stores, they can create more profits. Because in physical stores, merchants receive their revenues immediately after customers pay. However, online customers pay to a third party and the third party transfers the money to merchants when the customers receive their orders. Therefore the money received by online merchants is discounted by time. If large merchants can use their money in stores wisely, they can grow faster.