There are few websites which provide you full space for business you can sell , buy things online without moving from your bedroom and place, even you can earn a lot of money sitting comfort at you revolving chair. 

Amazon: One of the largest and most diverse online marketplaces, offering a vast range of products from electronics and clothing to books and groceries.

eBay: An online auction and shopping website that enables individuals and businesses to buy and sell products in various categories, both new and used.

Walmart: A major retail corporation that operates both physical stores and an online platform, selling a wide array of products at competitive prices.

Alibaba: A Chinese e-commerce giant that facilitates B2B, B2C, and C2C sales, connecting manufacturers and wholesalers with buyers from around the world.

Taobao: A popular Chinese online shopping website owned by Alibaba, known for offering a wide range of products at different price points.

Etsy: An e-commerce platform focused on handmade, vintage, and unique products, catering to creative entrepreneurs and artisans.

Shopify: A platform that allows businesses to create and manage their own online stores, offering customizable templates, hosting, and payment processing.

Magento: An open-source e-commerce platform that provides flexibility for businesses to create unique and feature-rich online stores.

BigCommerce: An e-commerce platform that offers a variety of tools for creating and managing online stores, suitable for both small businesses and larger enterprises.

Zappos: An online shoe and clothing retailer known for its customer service and wide selection of footwear and fashion items.

ASOS: A UK-based online fashion retailer that offers a wide range of clothing, accessories, and beauty products for men and women.

Best Buy: An electronics retailer that operates both physical stores and an online platform, specializing in consumer electronics and appliances.

Sephora: An online beauty retailer offering a wide range of cosmetics, skincare, and beauty products from various brands.

Newegg: An online retailer focused on electronics, computer hardware, and software, catering to tech enthusiasts and gamers.

Target: A retail corporation that operates physical stores as well as an online platform, offering a wide variety of products including clothing, electronics, and home goods.

These are just a few examples, and there are many more e-commerce websites catering to specific niches and markets. When considering creating your own e-commerce website or choosing where to shop, it's important to research and select a platform that aligns with your needs and goals.