You can optimize your product listings on Amazon by using high-quality product images, clear and detailed product descriptions, and competitive pricing. You should also use relevant keywords and optimize your listings for search engines.

Amazon charges a referral fee, which is a percentage of the sale price, and a variable closing fee for each item sold. There may also be additional fees for using certain features and services.

To start selling on Amazon, you need to create a seller account, list your products, and set your prices. You will also need to handle shipping, customer service, and returns.

Amazon’s Marketplace is an online platform where third-party sellers can sell their products to millions of customers on Amazon.