Unlike physical stores, e-commerce websites are able to handle a large number of customers at the same time saving on the time a customer would spend waiting in store queues to be served. Using payment services, such as PayPal and Skrill, makes online shopping easier and faster. Additional security measures help keep sites safe, thus improving customer trust. Challenges and opportunities in e-commerce regulatory issues. Companies need consistency in regulation to avoid repeated changes in decisions. The application of different state taxes in different countries represents a major obstacle in online business transactions, and this gets worse in less developed countries. Different countries have different legal age limits for purchasing certain products. These restrictions significantly affect the sale of products such as alcohol, cigarettes and weapons. If regulations were harmonized, the market penetration of online business platforms would increase enormously (Zang et al 5). Payment method. Online business transactions require a reliable payment method. These methods vary around the world. Therefore, businesses should accept payments in the way preferred by the customer. The Kmart store faced similar problems. However, the shop has not changed from the traditional form of doing business. Customers came into their business and nothing happened