Ecommerce and high cost of shopping.

As Wu and Hisa (2004) explain, the concept of e-commerce helped in solving problems such as high costs of shopping, limitations of time and distance, and lack of sufficient retail space.

Elaborate if you would on how e-commerce may have helped in solving the issue related to the high cost of shopping? For example, many Walmart’s across the US have grocery pick-up. You order online, you pick it up, you go home. However, the prices are still the same as if you go in. So how might e-commerce help the issue related to high cost?

APA, 200 words at least on scholarly reference.