Ebay is a good online shopping site for those interested in online buisness.
You can sell anything on ebay by placing add on ebay which is chargeable.
One can find number of unique products on ebay.com which products are not available in market or other online shopping sites like imported smart phones etc.
Ebay also offers some discount coupons via emails for shopping.Many of the products available on ebay are sell on non returnable basis which is not good