e-Bay stores are important for online selling because they provide a platform for sellers to create an online presence and showcase their products to a large audience of potential buyers. e-Bay stores offer various features that can help increase sales, such as the ability to offer promotions and discounts, a customizable store design, and detailed seller ratings. Additionally, having an eBay store often establishes credibility and legitimacy for the seller, which can lead to increased customer trust and repeat business.